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1. The Screw gauge works on theprinciple of _____ (March 04, June 04)

2. The Scale present on index line ofscrew gauge is called as ____ (Oct-99)

3. Screw guage consists of _____ scaleand ____ scale.

4. Pitch of the screw P = _____ / No.ofrevolutions made.

5. L.C. of a Screw guage = pitch of thescrew / ____

6. If the Zeroth division of the head scalein below the indexline of the pitchscale, the error is said to be _____ andthe correction is _____

7. If 'p' is the pitch of the scale and 'N' isno.of head scale divisions them L.C.=_____

8. If screw moves 5mm for 5 revolutions,the pitch of the screw is _____

9. If a screw consists 200 head scaledivisions which contains pitch as 1mmthen the least count is _____

10. If the L.C. is 0.01 mm, Pitch scalereading is 1.5 mm and the headscalereading is 18, then the diametre of theobject is ____

1. The value of the universal gravitationalconstant is ____

(March-2009, April-2009)2. The weight of 400g stone is _____ N

(June-08, April-08, June-06, March-2000)3. Units for 'G' in SI System ____

(March, 2008)4. Ptolemaic theory is also known as ____

(March-2007)5. As per Kepler's theory, the planet revol-

ves around sun in_____ path.(March06)6. Universal law of gravitation is applicable

at _____ (March 2005)

7. Kepler's law supports _____ theory(March 1999)

8. Heliocentric theory is proposed by _____(June - 2000)

9. Units of acceleration due to gravity is_____ (March - 2001)

10. Acceleration due to gravity at poles is_____ and at equator it is _____ (March -2003)

11. Acceleration due to gravity is highest at_____ (March-03, 02, June-03)

12. Example for sensitive instruments used tomeasure small changes in the value of gat given place is _____

(June - 05, 02, 01, March - 04)13. Numerical value of the universal

gravitational constant is _____(June-07)14. The weight of a substance in the force

____15. The gravitational force of earth over

moon is _____ than the gravitationalforce of moon over earth.

16. As the altitude increases the 'g' value____

17. As the depth increases the 'g' value ____

18. Relationship among g, G, M and r is ____19. If the mass of an object is 'm', then the

weight of the same w = _____20. The mass of an object at anywhere in the

world is ____21. The principle used to determine the force

of attraction between two objects 'F' =____

22. When Kepler modernised Copernicussystem, the shape of the path of orbit isstated as ____

23. As per Copernicus solar system earthrevolves around its axis and also revolvesin circular orbit around ____

24. The acceleration attained by a body dueto the gravitational force of attraction ofearth is called as ____

25. The distance between the earth and themoon is _____ k.m.

26. The acceleration of moon towards earthis _____ km/sec2

27. Gravitational force of attraction on abody of 10 kg is ____

1. If a ball which is thrown up attainsa maximum height of 80m the initialspeed of it is _____

(June 2008, March 04, 02)2. The uniform acceleration produced in a

freely falling body due to thegravitational pull of the earth is _____

(June 2008)3. The time for which a body remains in air

is called _____ (March 08, June 07)4. The maximum height reached by a body

when it is projected upwards with a initialvelocity 'u' is _____

(April 08, June 06, 05, 00, March 04)5. The time of ascent is directly

proportional to _____ (April 08, june 08)6. When a body is dropped from a height 'h',

then the velocity of the body on reachingthe earth is _____ (March 2007)

7. For a body moving under the influence ofgravity, time of ascent is equal to _____

(March 2006, 08)8. When a body is projected upwards, the

accleration due to gravity is taken _____ (March, 08)

9. The maximum height reached by a bodythrown with initial velocity 10m/sec is_____ (June 02)

10. The time taken by a body to reachmaximum height is _____

(March-03, June-07)11. Maximum height reached by a body

thrown with initial velocity 40 m/g is_____ (March-04, 02)

12. The time for which a body remains in airis called _____ (March-08)

13. The acceleration of a falling body a = ___14. The initial velocity of a freely falling

body is ____15. The time taken by a freely falling body to

reach earth is ____16. Ascending time = Descending time = ___

17. The acceleration of a body ''a'' at the timeof ascending ____

18. Time of flight t = ____19. Ascending velocity and descending

velocity of a body at a fixed point in air is____

20. If a body takes one second to reachground when it is dropped from abuilding, the height of the building is____

1. A car moves on a curved but level road.The necessary centripetal force on the carif provided by _____

(March 2009, 04, June - 2003)2. In simple harmonic motion, the

acceleration of the particle is directlyproportional to _____ (March, 09)

3. _____ is a machine used to separateparticles of higher mass from those oflower mass in a given mixture

(March, 01)4. The force of attraction of a particle

radially towards the centre of circle is_____ (March, 1999)

5. An imaginary co-ordinate system whichis either at rest or in uniform motion andwhere Newton's laws are valid is calledas _____ (June, 03)

6. Circular motion is a variety type of _____motion.

7. If the stone tie up with a thread rotating ina circular motion is untied the motiondirection of the stone is ____

8. In uniform circular motion _____ isconstant.

9. The force acting towards centre is calledas ____

10. If the angle of banking is θ, the tanθ =____

11. The angular velocity of a hours hand inclock is ____

12. The machine which dries wet clothes is____

13. The angualr velocity of a minutes hand ina clock is ____

14. The force found only in fixed rotational

Physical ScienceOUR UNIVERSE & GRAVITYSCREW GAUGE

Time Taken to Reach Maximum Height?

SCREW GAUGE

KINEMATICS

Our Universe & Gravity

DYNAMICS

Answers:1. Screw 2. Pitch Scale3. Pitch, head4. Distance travelled by the Screw5. No.of head scale divisions6. Positive, negative 7. P/N 8. 1 mm9. 0.005mm 10. 1.68 mm

Answers:1. 40 m 2. Acceleration due to gravity3. Time of flight 4. U2/2g'5. Initial velocity 6. √2gh7. Ascending time or U/g'8. negative 9. 5m10. Descending time 11. 80 m12. Time of flight 13. ''g''14. Zero 15. Descending time16. U/g' 17. – g 18. 2U/g19. equal 20. 5m

Answers:1. 6.67×10–11Nm2Kg–2 2. 3.9 N3. Nm2Kg–2 4. Geocentric theory5. Elliptical6. Anywhere in the universe 7. Heliocentric theory 8. Copornicus9. mg–2 10. Maximum, Minimum11. Poles 12. Gravity Metre13. 6.67×10–11

14. Of attraction of earth on it15. Low 16. Decreases17. Decreases 18. g = GM/r2

19. mg' 20. Constant21. F = GMm/r2 22. Elliptical 23. Sun 24. Acceleration25. 3.85×105 26. 0.0027m/sec2 27. 98N

Y. Ravi KumarTG, Senior Teacher,

Hyderabad

BITBANK Written by


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frame is ____15. The bend of a cyclist moving on edges

depend on ____16. The realationship among 'r', v and ''w'' is

____17. One radian = ____18. Relation between time of oscillation 'T'

and frequency f is ____19. One revolution = _____ radians.20. The angular momentum of a body L =

____21. The magnitude of centripetal acceleration

a = ____22. Centripetal force F = ____23. In a uniform circualr motion if the radius

is doubled then the centripetal force ____24. The angle made by a body with respect to

time is ____25. Units for angualr velocity is ____26. Centrifugal force acting on a car which

has 1200 kg mass, moving with 6m/secvelocity along a road have 180m. circularradius is ____

27. The angle subtended by an arc of lengthequal to its radius at its centre is definedas ____

28. The rate of angular displacement is called____

29. 2π radians = _____ degrees 30. Time taken by a body for one complete

revolution is called ____31. Ball left by a bowler attains _____

motion before reaching a batsman.32. dθ/dt = ____33. Angular velocity w = 2π ÷ _____

Radians34. ____ separates molases from sugar

crystals.35. Systems which do not obey Newtons

laws of motion are called as ____

1. The wavelength of the visible spectrum is_____ (June - 09, 05, 04, March 01)

2. The electromagnetic radiations that areused to take photographs of objects indarkness _____ (March - 2009)

3. ____ rays are emitted in radioactivity.(June - 2008)

4. The velocity of electromagnetic waves is_____ (March 2008)

5. Electromagnetic radiations with shortestwavelength are _____ (March 2008)

6. Rays used in RADAR _____(April 08, June 07) (March 2001)

7. We are protected from ultravioletradiations of the sun because _____ inour atmosphere absorbs UV raysstrongly. (June 2007, April -2008)

8. The radiations used in physio - therapy is_____ (March 2007)

9. Velocity of light in vaccume _____(June - 2006)

10. Electromagnetic waves are _____ type ofwaves. (March 2006)

11. 1A°= _____ (Oct - 1999)12. Frequency range in radio broadcasting

_____ (March - 2006)13. RADAR means _____ (Oct - 99)14. Microwaves are generated in a electrical

circuit on account of _____ (June - 01)15. On account of change in the rotation or

vibrations of molecules of a substance_____ rays are emitted.

16. The waves useful in Telemetry ____17. ____ rays cause skin cancer if body is

exposed for moretime of the same.18. ____ waves are generated on account of

the vibrations of low frequencyelectromagnetic radiations.

19. The wavelength range of Radio waves.20. Infrared rays are located through ____21. The process of using soft X-rays in

medical diagnosis is called as ____22. ____ waves are used in Micro Oven.23. ____ cause damage to ozone layer.24. The wavelength range of Infrared rays is

from _____ to ____.25. Mapping of the radio emissions from

extra terrestrial sources in known as ____

1. If the distance between a node andthe next antinode in a stationary wave is10 cms, then the wavelength is _____

(June 09)2. Velocity of sound in air 'V' = _____

(March-09, April-08) (June-06) (March03, 01)

3. In a stationary wave, the point at whichthe maximum displacement is _____

(June, 2008)4. Periodic vibrations of decreasing

amplitude are called _____ (June, 2007)5. The vibrations that take place under the

influence of an external periodic force arecalled _____ (June, 2007)

6. A medium transmits a sound wavethrough it, by virtue of its _____

(March 2007)

7. The distance between successive nodeand antinode is _____ (March - 2006)

8. In a resonance experiment if the firstresonance air column length is 10cm, thesecond length of resonance air column isat ____

9. The distance between two successiveparticles which are in the same phase iscalled as ____

10. ____ waves are developed in theresonance of air columns.

11. If particles in the wave vibrateperpendicular to the propagation of wave,then it is called as ____

12. By keeping the length of a pendulumconstant, the vibration range is increased

by energy then frequency ____13. ____ is the reason for the collapse of a

bridge if march fast is done on it.14. ____ are the stationary points of particles

of media in stationary waves.15. The distance between two successive

antinodes in a stationary wave is ____16. The wavelength of a sound wave where

the velocity is 300m/sec and frequency is10,000Hz is ____

17. Waves containing compressions andrarefractions are ____

18. Units for the frequency ____19. The velocity of sound waves have

frequencies 200 Hz and 500 Hz is ____20. Frequency possessed by each system is

called as ____21. If frequency is ''ν'' and wavelength is ''λ''

then the velocity of sound v = ____22. The phenomenon in which if one of the

two bodies of the same natural frequencyis set into vibrations, the other body alsovibrates under the influence of the firstbody is called ____

23. When two waves of equal frequency andamplitude travel in opposite direction_____ are formed.

24. Velocity of sound in vaccume is ____25. Velocity of sound in air is determined

with ____

1. Unit for the intensity of light _____(June 2009, March 2007)

2. Expand ''LASER'' _____(June 2009, April 2008)

3. ____ is the change in the phase of a wavewhen it is reflected (June - 2008)

4. For a constructive super position ofwaves, the phase difference between thewaves should be equal to _____

(June - 2008)5. The unit of solid angle (Ω) is _____

Physical ScienceLIGHTSOUND

ELECTRO MAGNETICSPECTRUM

SOUND

Answers:1. 0.4µm - 0.7µm 2. Infrared rays3. Gama 4. 3 × 108 m/s 5. GAMA6. Micro waves 7. Ultra violet rays8. Infrared rays 9. 3×108 m/s10. Transverse waves 11. 10–8 cm12. 300 KHz to MHz13. Radio detection and Ranging14. Oscillatinos of high frequency

electromagnetic waves15. Infrared 16. Microwaves17. Ultra violet 18. Radio waves19. 1m - 100 km 20. Thermofile21. Radiography 22. MICRO23. Spray of gaseous solutions24. 0.7µm - 100µm25. Radio Astronomy

Answers:1. Abrasion between Car tyres and road2. Displacement 3. Centrifuge4. Centripetal force5. Inertial frame of reference6. Rotation 7. Along contact line8. Angular Velocity 9. Centripetal Force10. v2/rg 11. π/6 radians/hour12. Laundry drier 13. π/1800 Radians/Sec14. Centrifugal force 15. Speed16. V = rω 17. 57°291 18. T= 1/f19. 2π 20. mωr2 21. v2/r22. mv2/r 23. Increases twice24. Angular displacement25. Radians/sec 26. 147 N27. Radian 28. Angular Velocity29. 360 30. Periodic Motion31. Rotation 32. ω 33. T34. Centrifuge35. Non - inertial frame of reference

Answers:

1. 40cm 2.

3. Antinode 4. Damped Vibrations5. Forced Vibrations 6. Elasticity, Inertia7. λ /4 8. 30 cm 9. Wavelength10. Stationary Waves 11. Transverse Wave12. No change 13. Resonance14. Node 15. λ /2 16. 3 cm17. Longitudinal waves 18. Hertz19. Equal 20. Natural frequency21. v = νλ 22. Resonance23. Stationary waves 24. zero

25.p

vλ=ρ

pλρ

LIGHT-NATURE OF LIGHTAND SOURCES OF LIGHT

Velocity of Electromagnetic Waves?


4

Physical ScienceCURRENT ELECTRICITYMAGNETISM

(March 2008)6. The process of achieving population

inversion is called as ____7. ____ proposed wave theory of light

(June-2003)8. First scientist explained about the nature

of light is ____9. Scientist explained the colours of light

with the different sizes of light particles is____

10. Radiations of quanta is called ____11. As per newton's theory velocity of light is

_____ in denser medium.12. _____ phenomenon could n't explain by

Newtons theory of light.13. Scientist proposed medium of 'Ether' in

universe is ____

14. The imaginary three dimensional surfaceformed by the particles of a mediumwhich are vibrating in the same phase iscalled a ____

15. If the velocity of light in vaccume is ''c''and the velocity of light in a medium is''v'', then the refractive index of mediumµ = ____

16. If angle of incidence is i in rarer mediumand the angle of refraction is ''r'' is densermedium the refractive index of mediumµ = ____

17. Crests of water waves in ripple tank act as____

18. The velocity of water wave is _____ asthe depth of the water increases

19. For destractive superimposition of waves,the phase difference between the wavesshould be equal to ____

20 ____ is the reason for noticing sounds ofone room to another room.

21. Refractive index µ = velocity of light invaccume (c) / ____

22. ____ is used for curing meninzes(March 2005, oct - 99)

23. Lumen is unit for _____ (March - 2007)24. The wavelength of ruby laser is _____

(June 2004)25. ____ proposed law of laser at first in the

year 1954. (June - 2004)26. Modern units for the flux of light ____27. The width of band in a quality laser is

____28. The science of measuring the intensity of

light of two sources with a special units is

called as ____29. 1 Lumen / Steridian = ____30. Temporal coherence is important in the

production of ____31. ____ is the cause for optical noise in

ordinary light.32. ____ rays posses directionality.33. ____ destructs ICBM in air.34. Special three dimentional photography

using laser is called as ____

1. Gadolinium is a ______ magneticsubstance (June 2009)

2. Locate Para magnetic substance amongAl, Hg, Co & AU _____ (June - 2008)

3. Magnetic field induction on the equatorialline is given by B = _____Newtons/Amphere - Metre (June - 2008)

4. Magnetic permeability of space is _____(March 2008, 06, 2000)

5. The magnetic moment of a bar magnet oflength 5cm with pole strength 2 × 10–3

ampere - meter is _____ (March - 2008)6. The units of pole strength in SI system is

(April - 2008)7. Air, water & Bismuth are the examples of

_____ magnetic substances.(April - 2008)

8. Substances are those in which theresultant magnetic moment of individualatoms is not zero are called as _____

(June 2007)9. Relationship between magnetic flux

density (B) and the magnetic field (H) is____ (June - 2007)

10. ____ is the diamagnetic substance amongBismuth, Iron and Oxygen(March - 2007)

11. The unit of magnetic pole strength inMKS system is _____ (June - 2006)

12. The value of µr for diamagnetic

substances is _____ (March - 2002)13. The relative permeability of diamagnetic

substances is _____ (March - 2002)14. Units for the intensity of magnetisation is

_____ (March - 1999)15. Susceptibility of dia-magnetic substance

is _____ (March 2005, June - 2001)16. Relationship between absolute permeabi-

lity µ, relative permeability µr is ____17. SI units for H = ____18. Relationship among φ, A and B is ____19. 1 weber = _____ Ampere - metre20. µr value for space = ____21. If the length of magnet is (2l) and

polestrength is (m)then magnetic momentM = ____

22. B0 is not considered for a bar magnet at_____ points.

23. The point where the B & B0 nullify eachother forms _____ near by a magnet.

24. B0 value of Andhra Pradesh is ____25. The magnetic moment M of a bar magnet

when neutral points are on equatorial lineand B = B0. Then M = _____ A - m2

26. The magnetic moment M of a bar magnetwhen neutral points are on axial line andB = B0. M = _____ A - m2

27. A pole which repulses with a force of 10–7

N of another pole kept at a metre distanceis called as ____.

28. Magnetic momentum present in unitvolume of a substance is called as ____

1. Rate of electrical work done isdefined as _____ (June 09).

2. A transformer works on the principle of_____ (March 09).

3. The value of mechanical equivalent ofheat is _____ (March 09).

4. The work required to be done to producea quality of heat of 1 calorie is _____joules (June 08).

5. The equivalent resistance when tworesistors of 8Ω each are connected inparallel _____ (March 08).

6. A device which converts mechanicalenergy into electrical energy is _____(April 08).

7. The instrument used to measure potentialdifference between two points is called_____ (June 07).

8. When resistances are connected in _____,the total voltage is divided among them(March 07).

9. The symbol of battery is _____ (June 06).10. The conductors which do not obey ohms

law, are called as _____ (March 06).11. Unit for flow of current is _____

(March 99).12. The resultant resistance when R1 = 100Ω,

R2 = 1Ω are connected in parallel = ____ (March 00)

13. The resultant resistance when 6Ω, 12Ωresistances are connected parallel _____(June 01).

14. The resultant resistance of 6Ω, 12Ω areconnected in serial is ____ (March 03).

15. When 240V potential difference ismaintained in a bulb a flow of 3A isobserved through it. Then the resistanceof bulb is ____ (June 04).

16. Potential difference between two points ismeasured with ____ (June 07).

17. Electrical current is measured with ____instrument (March 00).

18. When 1v, 1.5v, 5v emf batteries areconnected in parallel the resultant emf is-____ (March 02).

19. Magnetic induction (B)=____(March 00).20. Electrical motor converts _____ energy

into _____ energy (March 07).21. Volt meter is always connected in ____ in

electrical circuit. (March 00).22. Use of iron core on transformer is ____

(March 01).23. Mechanical energy is converted into

electrical energy by _____ throughelectromagnetic induction (March 02).

24. Units for self induction is ____ (June 07).25. Full form of RPM is ____26. If a electrical coil is rotated in the

presence of magnetic field the inducedemf is changed for every revolution of

Lumen is Unit for?

Answers:

1. Candle2. Light amplificatoin by stimulation

Emission of Radiation3. 180° 4. 2πn 5. Steridian6. Pumping 7. HUYGENS 8. Newton9. Newton 10. Photon 11. More12. Polarisation13. Huygens14. Wavefront 15. C/V16. Sin i /Sin r 17. Convex lense18. Increases 19. π 20. Diffraction21. Velocity of light in medium22. LASER 23. Luminous flux24. 6943Å 25. Charles H. Towns26. Lumen 27. 10–8 28. Light

Photometry 29. LUX 30. Laser 31.Non Coherence 32. LASER 33.LASER 34.Holography

MAGNETISM

Answers:1. Ferromagnetic Substance

2. Al3.

4. 4π × 10–7 Henry/metre5. 10–4 Ampere - metre2

6. Ampere - metre 7. Dia8. Para magnetic substance 9. B = µ0H10. Bismuth 11. Weber12. µr≤1 13. Nearly equal to one14. Ampere - metre 15. Very low16. µ =µ0µr 17. Ampere / metre18. φ = AB 19. µ0 Ampere - meter20. 1 21. 2 ml 22. near by23. null points or neutral24. 0.39×10–4 Tesla 25. 390d3

26. 195d3 27. Unit pole strength28. Magnetic Intensity I

03

M

4 d

µπ

CURRENT ELECTRICITY


5

____ coil.27. The equivalent weight of oxygen is ____28. Units for electro chemical equivalent is

____29. As per Faraday's first law of electrolysis

m = ____30. Commercial unit of electrical energy is

____31. Unit for electrical charge is ____

32. Instrument used for the measurement ofcurrent is ____

33. The relationship among electrical chargeQ, workdone W and potential differenceV is ____

34. The resultant emf when three batteries of1.5 v are connected in serial is ____

35. The resultant emf of two batteriesconnected in parallel of 1.5v and 2.0 v is____

36. If one of the bulbs connected in series isremoved the bulbs ____

37. 1/R means ____38. Units for conductivity is ____39. The relationship among R, g is ____40. Non-ohmic conductor among copper,

Aluminium and electrolyte is ____

1. ____ has more ionization amongα, β, γand x-rays

(June 09, 00, March 02).2. 1 amu = ____ Mev (June 09).3. In a p-type semi conductors ____ are the

majority carriers. (March 09).4. To make silicon a p-type semi conductors,

the impurity to be doped in____ (June 06)5. are examples for _____

(June 06).6. ____ electro magnetic radiations are

released in Radio activity. ( March 06).7. If a β particle is emitted the mass number

____ (June 00, March 03).8. If one α particle is emitted the mass

number changes by ____(March 03, june 00)

9. Thorium series is called as ____ series (June 02)

10. Bismuth series is called as ____series (June 02)

11. The radius of atomic nucleus ____(June 03)

12. Elements contain same mass number withdifferent atomic numbers are called as____ (June 05).

13. Neptunium series is otherwise called as____ series (June 06).

14. α particle is a ____ charged particle15. ____ isotope is used to decide the age of

rocks (March 00).16. (June 2004)17. Difference between the particles of

nucleons to the mass of nucleas is calledas ____

18. If the total mass of combined two nucleiis less than two individual nuclei thedeficiency is called ____

19. Rutherford's planetary model wasproposed with ____ experiment (March06).

20. Principle involved in the Hydrogen bombis ____

21. Principle involved in the construction ofatom bomb is ____

22. ____ reactions are noticed in the stars

23. are the examples of ____24. The age of fossils is determines with ____

isotopes

1. Assembler is a ____ language(March 09)

2. Among arsenic, antimony, phosphorousand antimony ____ is added to convertsilicon into p-type of semi conductors(June 06).

3. If the temperature of a semi conductorincreases the energy gap also ____

(June 01)4. Conduct particles in semi conductors are

____ (March 03, 00).5. ____ combinations compile a program

(June 00)6. Transistor works as ____ (March 03).7. P-n junction diode acts as ____ (June 00).8. ____ number of bits form a byte9. If trivalent valency atoms like Gallium

are added to Germanium ____ types ofsemi conductors are formed (March 99).

10. Combination of 8 bits form a ____ (March 00)

11. The symbol of p-n junction diode is ____ (June 02, March 01)

12. Camera consisting cathode rays andphotoes is called as ____ (June 01).

13. Last four bits in BCD code is ____14. First four bits in BCD code is ____15. Digits like "o" or "1" called as ____16. ____ is used as electronic switch.17. ____ is used as rectifier.18. Adding of impurities in a small quantities

is called as ____19. ____ selects modulated waves.20. I.C. means ____21. A.M. means ____22. In semi conductors the conduction of

holes and electrons will be in ____direction.

23. The arrow mark in transistor denotes____24. Three terminals contains by a transistor

are ____25. ____ are the conductance particles in n-

type of semi conductor.

26. Basic is a type of ____27. CPU consists of ____28. Arithmetic operations are carried out by

____ in Micro processor.29. Unit decodes and executes the

instructions given in the program by ____in micro processor.

30. Instrument used for scanning is ____31. Scientist discovered transistor is ____32. Transistor was discovered in the year

____33. If the partial conductor is cooled to a

temperature of OK the EG value will be____

34. Energy gap in insulator is ____35. Energy gap in semi conductors is ____36. Trivalent impurities are ____37. Pentavalent impurities are ____

1 21 1H, H

238 23492 90U Th ____→ +

40 4019 20K, Ca

Answers:1. Electric power 2. Mutual Induction

3. 4.18 Joules/calorie 4. 4.18 Jouls

5. 4Ω 6. Dynamo 7. Voltmeter

8. Series 9. –| |–

10. Non-ohmic or Non linear conductors

11. Amphere 12. 0.99 Ω 13. 4Ω14. 18Ω 15. 80Ω 16. Voltmeter

17. Ammeter 18. 5v 19.

20. Electrical, Mechanical 21. Parallel

22. Controls flux 23. Dynamo

24. Henry 25. Revolution per minute

26. ½ rotation 27. 8

28. GRAMS/Columb 29 ZiT

30. Kilowatt hour. KWH 31. Coloumb

32. Ammeter 33. W=Vq

34. 4.5 v 35. 2.0V 36. Glow off

37. Conductance 38. Mho/meter

39. RA/L 40. Electrolytes.

0 i

2 v

µΠ

Answers:1. Machine 2. Aluminium3. Decreases 4. Electrons, holes 5. Instructions6. Amplifier7. Electronic switch or rectifier8. 8 9. P-type10. BYTE 11. 12. Iconoscope 13. Numeric bits14. Zone bits 15. Bit16. P-n junction diode 17. Junction diode18. Doping 19. Oscillation20. Integrated circuit21. Amplitude modulation22. Opposite 23. Emission24. Emitter, base, collector25. Electrons 26. Higher language27. Control unit, ALU, Memory28. ALU 29. Control unit30. Icono scope 31. Williamshock lee32. 1948 33. Reduced 34. 3 ev35. 1 ev 36. Acceptor impurities37. Donor impurities

MODERN PHYSICS

Answers:1. α particle 2. 931.5 3. Holes4. Aluminium 5. Isobars 6. γ7. Increases by one unit8. Reduces by 4 units9. 4n series 10. (4n+1) 11. 10–13 cm12. Isobar 13. (4n+1) 14. Positive15. 16. 17. Mass defect 18. Mass deficiency19. Scattering of α-particles20. Nuclear fusion 21. Nuclear fission22. Nuclear fusion 23. Isotopes 24. Carbon dating

42 He235

92 U

ELECTRONICS

Physical ScienceELECTRONICSMODERN PHYSICS

Thorium Series is Called as?


6

ChemistryCHEMICAL BONDINGATOMIC STRUCTURE

1. The electronic configuration ofchromium (Cr) is _____ (June-2009)

2. ______ contains less energy among 3p,4s, 3d and 4p

(March-2008, 09, April-2008)3. No. of sub shells present in L shell is

______ (March-2004, 08)4. If l = 3 then the values of m is ______

(March-2008)5. Rutherford's atomic model introduced

based on ______ experiment.(April-2006)

6. ______ proposed elliptical orbits. (March-2000, 01, 03, June-2001)

7. 'l ' value of d sub-shell is ______(March-1999)

8. Symbol to show the rotation of electronsin clockwise is ______ (October-1999)

9. Among H2, O2, Cl2 and HCl ______contains s-p overlapping. (June-2004)

10. The shape of s-orbital is ______(June-2000)

11. Electron enters ______ after filling 3d.(March-2004, June-2004)

12. Distance between the nucleus and theoutmost shell is called ______

(June-2007)13. Atomic number of magnesium is ______

(March-2006)14. 1s22s22p63s1 is the electronic configura-

tion of ______ (March-2008)15. Electronic configuration of sodium (z =

11) is ______ (March-2002)16. Number of sub shells present in 'M' shell

______ (June-2005)17. Electronic configuration of copper is

______ (June-2003)18. Quantum theory of radiation is proposed

by ______19. No. of sub shells present in K, L, M and

N ______20. If n is the principle quantum number then

the maximum value of l is ______21. The shape p-orbital is ______22. No.of maximum electrons present in each

main shell is ______23. Units for atomic radius ______

24. Pockets of electromagnetic radiation are______

25. Value of Planck's constant is ______26. As the charge of nucleus increases the

ionization energy also ______27. Place where the probability of electron is

zero called as ______28. ______ principle states that no two

electrons contain all four quantumnumbers equal.

29. Units for electron affinity ______30. ______ takes place after filling of each

degenerated orbital with one electronaccording to Hund's principle.

31. ______ Law which states higher energyorbitals are filled after lower orbitals arefilled

32. Most probable place of an electron iscalled ______

33. As per Bohr's atomic model angularmomentum mvr = ______

1. Molecule contains s–p overlappingis ______ (June-2009)

2. ______ is the shape of PH3 molecule. (March-2009)

3. The shape of CO2 is ____(March-2009)

4. Molecule contains double bond amongN2, C2H4 HCl and Cl2 is _____

(June 2006)5. Bond angle in water molecule is ______

(June-2003)6. Molecule containing ''V'' shape is ______

(March-2002, October-1999)7. The shape of Ammonia molecule is

______ (June-2003, 04)8. The shape of PCl5 molecule is ______

(March-2001, June-2002)9. ______ bond is formed by sharing of

electrons.

10. ______ bond is formed due to the transferof electrons.

11. ______ type of overlapping is observedin F2 molecule.

12. ______ sigma and ______ ''π'' (pi) bondsare found in N2.

13. No.of lone pair electrons noticed onoxygen in water is ______

14. The energy of a molecule is always______ than the sum of the energy ofindividual atoms.

15. End-to-End type of overlapping forms______ bond.

16. Side by side overlapping forms ______bond.

17. ______ pair of electrons are donaated incoordinate covalent bond.

18. ______ is electron pair donar on NH4+

molecule.19. Strongest bond among s–s, s–p and p–p is

______ 20. Valency of carbon atom is ______ 21. No.of electrons present in outer most

shell of inert gases other than in Heliumis ______

22. Number of lone pair electrons noticed onNitrogen in Ammonia is ______

23. The shape of methane is ______ 24. Angle among p–orbitals is ______

1. ______ period is partially filledwith elements in long periodic table.

(June-2008)2. First person proposed classification of

elements is ______ (March-2007)3. Number of elements in the first period of

long periodic table ______ (April-2008)4. Values of ionization energy ______ move

from top to bottom in a group.(June-2000)

5. Locate Dobereiner triad among (Na, Ne,Ca), (Li, Na, K), (H2, N2, O2) and (Na,Br, Ar) ______ (March-2001)

6. Elements have atomic numbers from 58to 71 are called as ______ (March-2003)

7. Elements with atomic numbers from ''90to 103'' are called as ______ (June-2009)

8. ______ group of elements are used asoxidents in long periodic table.

(June-2002)9. Electronegativity is measured with

______ scale. (June-2001, 05)10. Mendeleev's classification of elements is

based on ______ (June-2001, 02)11. IIA group elements are called as ______12. Sand P block elements together are called

as ______13. Other name of d-block elements is

______14. Other name of f-block elements is

______15. Lanthanoids belong to ______ period.16. Actinoids belong to ______ period.17. Element with high electro positivity is

______18. Adding of hydrogen to a compound is

called as ______19. Ionization is measured in terms of ____20. One Fermi = ______21. 1 ev = ______ kilo calories/mole.22. The other name of ecoboron is ______23. Mendaleev named Gallium as ______24. Law of octanes is proposed by ______25. The general electronic configuration of

inert gases is ______26. Leuther mayar classified elements based

on ______27. Scientist discovered scandium is ______28. General electronic configuration of

Alkalies is ______29. Inert gas belongs to second period is

______30. Modern periodic law is based on ______31. Element which doesn't follow octet

electronic configuration is ______32. Radio active element in IA group is

______33. Radio active element in IIA group is

______

The Shape of S-orbital is?ATOMIC STRUCTURE

PERIODIC CLASSIFICATIONOF ELEMENTS

CHEMICAL BONDING

Answers:1. [Ar]4s13d5 2. 3p 3. 24. 7 5. Scattering of α-particles6. Somerfeld 7. 2 8. ↑9. HCl 10. Spherical11. 4p 12. Atomic radius/size13. 12 14. Sodium15. 1s22s22p63s1 16. 317. [Ar]4s13d10 18. Maxwell Planck19. 1, 2, 3, 4 20. (n–1) 21. Dumbell22. 2n2 23. Angstrom24. Photon 25. 6.625 × 10–27 Erg/sec26. Increases 27. Nodal Plane28. Pauli's 29. Electron volts30. Pairing 31. Aufbau principle32. Orbital 33. nh/2π

Answers:1. HCl 2. Pyramid 3. Linear4. C2H4 5. 105° 6. Water7. Pyramid 8. Trigonal bipyramid9. Covalent bond 10. Ionic bond11. p–p 12. One, two 13. Two14. Less 15. Sigma 16. π17. Only 1 18. H+ ion 19. p–p20. Four 21. 8 22. One23. Tetrahedron 24. 90°

Answers:1. Seventh 2. Dobereiner 3. Two4. Decreases 5. Li, Na, K6. Lanthanoids 7. Actinoids 8. VIIA9. Pauling 10. Atomic Weight11. Alkaline earth metals12. Representative elements13. Transition elements14. Inner Transition elements 15. VI16. VII 17. Cesium 18. Reduction19. Electron volts20. 10–13cm (or) 10–15 metre21. 23.04 KCal/mole 22. Scandium23. Eko Aluminium 24. John Newlands25. ns2np6 26. Atomic Weight27. Nelson 28. ns1 29. Neon30. Atomic Number31. Boron in Boron trifluoride32. Francium 33. Radium


7

1. Ore of Magnesium is ______(March-2008, June-2009)

2. Formula of Dolamite is ______(March-2009)

3. ______ element forms peroxide withmore oxygen besides oxide also.

(April 2008)4. The formula of magnesite is ______

(June-2007)5. ______ is used as cathode at the time of

extraction of magnesium by electricmethod. (March-2007)

6. Reagent used at the time of extraction ofBeH2 from BeCl2 is ______ (June-2006)

7. In order to increase the conductivity ofanhydrous MgCl2 ______ and ______ areadded. (March-2000)

8. Number of water molecules present inEpsom salt is ______ (Octber-1999)

9. Alkaline earth metals are _____10. [Ar]4s2 is the electronic configuration of

______11. Most unstable hydride among MgH2,

BaH2 and BeH2 is ______12. Anode used during electronic reduction

of MgCl2 is ______13. Number of water molecules removed

initially from carnolite is ______14. Ore of Beryllium is ______15. Ore of Barium is ______16. Nature of CaO is ______17. Alkaline earth metal used in crackers is

______

1. If 10 grams of Na2CO3 is added to 190grams of water the weight percentage ofsolution is ______

(March-2009, June-2009)2. The solubility of NaCl ______ with the

increase of temperature. (June-2009)3. If 4 ml of alcohol is added to 36 ml of

water the volume % = ______(June-2006, 07, 08)

4. The molecular weight of Na2CO3 is______ (March 2008)

5. If 12 grams of Na2CO3 is present in 120

grams of solution the weight % = ______(April-2008)

6. Weight of exalic acid present in100 ml of0.2M oxalic acid solution is ______(March-2007)

(M.W. of oxalic acid is 126)7. If 10 grams of Na2CO3 is present in 120

grams of solution the weight % = ______(June-2005)

8. Solubility depends on ______, ______factors.

9. Solvent in aqueous solution is ______ 10. Substance whose solubility decreases

with the increase of temperature is _____11. Solubility of gases ____ with the increase

of temperature.12. Molecular weight of H2SO4 is ______ 13. Example for polar solvent ______ 14. Example for non-polar solvent is ______ 15. Naphthalene dissolves in _____16. Acetic acid is a ______ electrolyte17. If 2 moles of Na2CO3 is added to 3 moles

of water, the mole fraction of water is______

18. Weight of solute dissolves is 100 gramsof solvent at constant temperature is ____

19. ______ solutions are unstable.20. ______ are absent for V%, Wt% and

mole fraction.21. Molarity depends on ______

22.

23.

24.

25. (V in litres)

26. Substances like NaCl, NaNO3, Na2SO4,KCl, BaCl2 ______ when they dissolve inwater.

27. CH3COOH, NH4OH dissolve ______ inwater and hence they are ______

28. When _____ increases for _____ of weakelectrolytes the ionization increases.

29. Compounds like glucose, sucrose andurea dissolve in ______ but dont ______hence they are called ______

30. Vinegar is ______ 31. Formula of Naphthalene is ______

1. The concentration of [H+] in a solutionof pH = 6 is ______ (June-2009)

2. MgO contains ______ nature(March-2009)

3. Ionic product of water at 25°C is ______ (June-2009)

4. KW value varies with ____(March-2008, June-2005, 07, 09)

5. If pH > 7 then the solution is a ______ (April 2006, 08)

6. Methyl orange shows _____ colour in thepresence of acid.

(March-2007, June-2007)7. Phenaphthelein shows ______ colour in

the presence of a base (March-2001)8. If pH = 8 then H+ ions concentration is

______ (March-2003)9. Heat of neutralysation observed when a

strong acid reacts with a strong base is______ (March-1999, June-2005)

10. pH value of a pure water is ______(June-2003)

11. If pH is 10 then [H+] = ______(March-2004, June-2002)

12. Formula of acetic acid is ______(March-2000)

13. H2SO4 + Ca(OH)2 → ______(March-2004)

14. ______ formed when non-metallic oxidesdissolved in water.

15. ______ formed when metallic oxidesdissolved in water.

16. ______ proposed theory of acids & basesionization.

17. Substances that gives OH– in the presenceof water is ______

18. Concentration of H+ ions at 25°C in wateris ______ ions/litre

19. ______ introduced the term pH20. pH value of gastric acid is ______ 21. Combination of H+ and OH– ions is

______ 22. Acids or bases that completely ionize in

the presence of water ............ ______ 23. As the pH increase from 7 to 14 the

nature of ______ increases24. As the pH values decreases from 7 to 1

the ______ character increases.25. Ionization energy during CH3COOH →

CH3COO– + H+ is ______ K calories.

1. The bond length of C – C ingraphite is _____ (March 2009)

2. Dry ice is _____(March'08, April'08, June'06)

3. Formula of Alkyne is _____(March 2008)

4. C8H18 is the example of that is ____(June 04)

5. Alkanes participate in ______ type ofreactions (June 2007)

6. Refractive index of diamond is _____(March 07)

7. Alkenes participate in _____ type ofreactions (March 07)

8. No. of carbons present in Hexane is_____ (June 2006)

9. Important component present in cookinggas is ______ (June 2006)

10.

(March 03)

11. –COOR is the functional group of_______ (March 04, 02, 00. June 05)

12. Alkane among C4H10, C4H8, C4H6 AND

C6H6 IS ____ (March 99)13. C–COOR functional group present amo-

ng CH3COOC2H5, C3N7NH2 CH3CHO,CH3COOH is _____ (June 2001)

14. ______ indicates the functional group ofketones (Jan2002)

15. Functional group –NH2 indicates _____ (March 2003)

16. Metal used in identifying functional

Fe O 3CO ________ _______2 3∆+ → +

.................... 1Molarity

Molecular Weight V= ×

.............Molarity (Vin litres)

V=

......................% 100

Volumeof solution= ×

Weightof soluteW% 100

..............= ×

SOLUTIONS

ALKALINE EARTHMETALS

Answers:1. Carnolite (or) Magnesite2. CaCO3MgCO3

3. Barium 4. MgCO3 5. Iron tank6. LiAlH4 7. KCl, NaCl 8. 79. Be, Mg, Ca, Sr, Ba and Ra10. Calcium 11. BeH2 12. Graphite13. 4 14. Beryl 15. Barytes16. Basic 17. Magnesium

Answers:1. 5 2. No change 3. 104. 106 5. 10 6. 2.5 grams7. 1000/1208. Solute, Solvent, Temperature9. Water 10. Ce2(SO4)311. Decreases 12. 98 13. Water14. Kerosene, Benzene, Alcohol15. Kerosene 16. Weak 17. 3/5 or 0.618. Solubility 19. Super saturated20. Units 21. Temperature22. Weight of solution 23. Volume of solute24. n 25. Weight of solute26. Ionize27. Partial, weak electrolyte28. Temperature, dilute29. Water, Ionization, Non electrolytes30. Dilute acetic acid 31. C10H8

ACIDS - BASES

Answers:1. 10–6 2. Base

3. 1.0 ×10–14 mole ion2/litre

4. Temperature 5. Base

6. Red 7. Pink 8. 10–8

9. 13.7 KCal/mole 10. 7

11. 10–10 12. CH3COOH

13. CaSO4 + 2H2O 14. Acids

15. Bases 16. Arhenias 17. Bases

18. 1×10–7 19. Sorenson

20. 1 to 2 21. Neutralization

22. Strong acid, strong bases

23. Basicity 24. Acids 25. 0.3

CHEMISTRY OFCARBON COMPOUNDS

ChemistryACIDS - BASESSOLUTIONS

Solvent in aqueous solution is?


8

ChemistryOILS - FATSCARBOHYDRATES

group of alcohol is ____ (March 2006)17. The functional group of Aldehyde is

_____ (March'99)18. CH4 + 2O2 → ____ + _____ (March'99)19. HC ≡ CH + 2Cl2 → ______ (March'99)20. Expreses the equation for the Hydrolysis

of calcium carbide to give acetylene______ (March'02)

21. Balanced equation of the dissociation ofNaHCO3 when it is heated is _____

(June'03)22. Alkene participate in additional reactio-

ns because it contains _____ (March'04)

23. Name of –CO–NH bond is _______(March'04)

24. The process of forming dry ice by suddenexpansion and cooling of CO2 is called as_____

25. The best conductor of electricity amongAnthracite, Coal, diamond and graphite is_________

26. The hardest substance in nature is________

27. Gas that is used in turning the raw fruitsinto fruits artificially is ______

28. C60 Buck minster pullarin is a _____ typeof structure.

29. No. of cycles present in C60 is _______30. Scientists who got noble prize on the

study of C60 are ________31. Element contains more catenation power

is ________

1. Enzyme that divides Glucose is _____ (June'09)

2. Sweetest available sugar is ______(April'08)

3. Defacation means addition of ______ (June'06, 07, 08) (June'01)

4. In the fermentation of molases ______micro organisms are used.

(June'07, March'07)5. _____ and _____ are the example of seed

which gives oils (March'07)6. The spent cane sugar is called as ______

(June'06)7. Example for a polysacharoid is ______

(June'03)8. ____ is reduced by the glucose in tollens

test (June'00, 04)9. Which is not a biproduct among Bagase,

Press mud, Sugar and molases in sugarindustry _____ (March'05)

10. _____ is present in Benedict solution (Oct'99, March'02)

11. _____ seperate sugar crystals from canesugar juice (June'07)

12. Substances formed by glucose duringfermentation _____

(June'07, 00, March'07)13. Biproduct during the production of

alcohol is _____ (June'03)14. Ammonical silver nitrate solution is

called as _____ reagent (Oct'99)15. Aldoze means ____16. Number of carbons in Hectose is _____17. By adding _______ rectified spirit turns

into absolute alcohol.18. No. of water molecules in Magnesium

sulphate is ______19. Identify Aligosacharoid among maltose,

glucose, fructose and manoze is _____20. The precipitate obtained after defac-

ation, carbenation and sulphitation is_____

21. _____ is extracted from country dates.22. Enzyme that divides sucrose is ______23. ____ is identified with Iodine test24. No. of water molecules present in copper

sulphate is ______25. The process of turning huge molecules

into minute molecules is called as ______26. Alcohol percentage in wash is _____

27. Alcohol that causes blindness is ______28. Temperature required at the time of

fermentation is ______29. Another name for a dipole ion is _____30. Siekel cell anaemia is a type of _____

disease.31. ______ plays important role in the

structure of animal cell.32. ______ type of carbohydrate is present in

cloth.

1. In shaving soap ____ is morepresent (March'03, 01, June'02)

2. Catalyst used in the hydrogenation of oilsis ____ (June'02, March'02, 99)

3. Soaps remove bad smell contain _____ (June'06)

4. 2Na3PO4 + 3CaCl2 → 6NaCl + ______(March'00)

5. Formula of linoleinic acid is ______(June'01)

6. The process of turning unsaturated oilsinto saturated oils is called as ______

(March'01)7. Detergent are used even with hardwater.

Because _____ (June'02, 04)8. The formula of stearic acid is ______

(June'08)9. Cation that present in the soap of dry

cleaning is _____10. Salts of fatty alcohol sulphates are _____11. Chemically oil & fats are ______12. Formation of soap process is called as

_____13. Saponification ______ is the biproduct14. Salts of fatty acids is ______15. Cardliver oil is useful _________16. Salt present in cloth cleaning soaps is

_____17. Greeze contains _____ salts.

1. Example for a mixed fertilizeris _____ (June'09, 08)

2. Cement is the mixture of ______(June'09, 08)

3. Cold cream is the _____ of water and oil(June'08, March'06)

4. _____ is the example of Auxochrome(March'08)

5. Glass blowing is possible with ____ glass(June'06, May'08)

6. _____ is used as refrigerator lining(March'08)

7. Drugs which act on blood circulation are_______ (April'08)

8. The action of chromophore is ______(April'08)

9. _____ type of glass is used for thepreparation of laboratory glassware.

(April'08)10. The process of cooling gas is called

_______ (March'07, 06, June'07)11. ______ holds materials together by

surface attachment (June'07)12. Objects of Terrakota are _____ (June'06)13. Scientist who prepared dye at first

artificially is ______ (June'03)14. The chemical formula of talc is _____

(June'05, 07)15. Materials required for the preparation of

glass are ______ (March'99)16. Artificial rasin among Rosin, Decron,

Cellulose acetate is _____17. Plastic used in the manufacture of pipes

is ______18. Natural gelatin from milk protein is

_____19. _____ is used in the preparation of ice

cream cups.20. Nitrophosk is a _________21. Dye which doesn't require the help of

other substances is ______22. _______ discovered artificial dye.23. Use of adding cullet to glass is _____

Chemically Oil and Fats are?Answers:

1. Free stearic acid 2. Nickel

3. 3,4,5 tri bromo salicylamide

4. Ca3(PO4)2 5. C17H29COOH

6. Hydrogenation

7. doesn't form precipitate with Ca2+, Mg2+

but gives froth

8. C17H35COOH

9. Triethanol Ammonium Salt

10. Detergents

11. Tryesters of glucerol and fatty acids

12. Saponification 13. Glucerol

14. Soaps 15. Medicine 16. Na+

17. Li+

Answers:1. Zymase 2. Fructose 3. Ca(OH)2

4. Yeast 5. Groundnut, sunflower

6. Bagase 7. Starch, Cellulose

8. Ag+ ions into Ag 9. Sugar

10. Copper sulphate 11. Centrifuge

12. Ethyl alcohol + CO2 13. CO2

14. Tollens reagent

15. Polyhydroxy aldehydes 16. 6

17. CaO 18. 6 19. Maltoze

20. Press mud 21. Country dates spirit

22. Invertase 23. Starch 24. 5

25. Fermentation 26. 15 - 20%

27. Methyle alcohol 28. 30°C

29. Zwitter ion

30. ineffective haemoglobin 31. Protiens

32. Polysacharoid

CARBOHYDRATESAND PROTEINS

OILS - FATS

CHEMISTRY AND INDUSTRY

Answers:1. 1.42Å 2. Solid CO2

3. Cn . H2n – 2 4. Alkene (octane)

5. Substitution reactions 6. 2.417. Additional reactions 8. "6"9. Butane 10. 3Fe + 3CO2

11. Ester 12. C4H10

13. CH3COOC2H5 14.

15. Amine 16. Sodium17. –C–CHO18. CO2 + 2H2O + 212.8 K.Cal

19. Cl2CH – CHCl220. CaC2 + 2H2O → Ca(OH)2 + C2H2

21. 2NaHCO3 → Na2CO3 + H2O + CO2

22. Presence of double bend 23. Peptide24. Joules Thomson effect 25. Graphite26. Diamond 27. Acetylene28. Foot ball 29. 3230. HW Crowto, Re Smali 31. Carben

C = O


9

24. Dyes include C=O group are _______25. Chemical curing drugs act on ______26. Hard ball of greyish cement are called as

______27. Cullet means _____28. Polymers of carbon substances are called

as _____

29. Chemically gypsum is _____30. Example for artificial adhesive _____31. Dyes used in the neutral media are called

as ______32. ____ is prepared from limestone and clay.33. Substance that is added in a small

quantity to grow plants is called as _____34. Petrolium products that are formed by

chemically are called as _____35. Petrolium refinery is located at _____ in

AP.36. Slip nature of powder is caused by _____37. Combs are prepared from _____38. Rain coats are prepared from _____39. Substances that are used in diagnosis,

confirmation and remedy of diseases arecalled as _____

40. _____ is added for the powdered clinker.

1. Draw a neat diagram of a screw gaugeand label it's parts.

2. Draw a neat diagram of magnetic lines offorce when N-pole of a bar magnet isfacing south pole of earth. Locate thenull points.

3. Draw the following diagrams showing“Zero error of screw gauge” a) No Zeroerror b) Negative new error c) Positivezero error

4. Sketch the diagram of Rutherford’sAtomic model and label its parts

5. Draw and label the diagram showingvarious regions of electromagneticspectrum and their wave length ranges.

6. Draw a neat diagram of magnetic line offorce when N-pole of a bar magnet isfacing North pole of earth. Locate thenull points.

7. Draw a neat diagram of Nuclear Reactorshowing various parts.

8. Draw a block diagram of TV broadcasting.

9. Draw a block diagram of Radio Broadcasting.

10. Draw the figure of Ripple tank and lablethe parts

11. Draw the figure of AC Dynamo12. Draw the figure of p-type of semi

conductors.13. Draw the figure of n-type of semi

conductors14. Draw the symbols of both p-n-p and n-p-

n transistors15. Draw the block diagram of computer.

1. What are the negative and positive errorsof the Screw gauge? How are theydetermined?

2. How do you determine the diameter of awire using screw gauge?

3. Derive universal law of gravitationcalculate the gravitational force of astone of mass 10kg.

4. Derive the relationship betweenacceleration due to gravity and universalgravitational constant. (or) Differencebetween “g” and G.

5. Describe an experiment to determineacceleration due to gravity by a simplependulum.

6. Derive the banking angle Tan θ = v2/rg7. Distinguish between centripetal and

centrifugal force.8. Describe the phenemenon of resonance

with examples.

9. What are the differences betweenprogressive waves and stationary waves.

10. What are the important applications oflaser light in science and Technology?

11. Describe a ripple tank. How does it helpin understanding the reflections andrefraction of light.

12. What are the main parts of an actuallaser.

13. Distinguish between Newton corpusc-ular theory and wave theory of light.

14. What are the important applications oflaser light in medicine, industry andspace science?

15. Explain Para-Dia and Ferro magneticsubstances. Give two examples of eachtype.

16. Distinguish between dia-magnetic andPara magnetic substances.

17. Define the terms a) Mageneticsusceptibility b) Magnetic permeability.Compare the relative values of relativepermeability and magnetic susceptibilityof Dia and Ferro magnetic substances.

18. What are the essential ideas of Ewing’smolecular theory of magnetism? Whatare the reasons for its failure?

19. Compare the values of relativepermeability and Magnetic susceptibilityof Dia, Para and Ferro magneticsubstances.

20. Derive the relation ship V1/V2 = i2/i1 fortransformer.

21. What are ohmic and non ohmicconductors? Give examples? The p.dacross a bulb is 240v, When a current of3 amperes flows through it. Find theresistance of the bulb?

22. Derive an expression for equivalentresistance of parallel combinations ofthree resistances R1, R2 and R3.

23. Describe an experiment to verify Fara-day’s second law of electrolysis. Mentionany two applications of electrolytes.

24. State Ohms law. Describe an experimentto verify Ohms law.

25. Show that effective resistance of a seriescombination in a circuit is equal to thesum of the individual resistance.

26. Derive R=R1+R2+R3.27. State the law of Resistance.28. Show that the reciprocal of the effecting

resistances of parallel combination in acircuit is equivalent to the sum of theirreciprocals.

29. Define Joule’s law, Derive Q = i2Rt/J30. Explain the construction of a transformer

with a neat diagram.31. Calculate the mass defect in the

formation of 2He4. How do you accountfor mass defect of an atom?

32. Describe the Rutherford's gold foil

experiment with a diagram. Mention itsimportant features.

33. What are isobars and Isotones? Explainwith examples.

34. What is the principle of a nuclearreactor? How does it work?

35. Compare the properties of α, β, λradiations.

36. What is chain reaction? How is a chainreaction controlled in Nuclear Reactor?

37. What are the users of radio isotopes?38. Explain the following

a) Extrinsic semiconductorb) Doping c) Transistord) Energy bond

39. Explain different stages of TVcommunication with a block diagram.

40. Draw the symbol of transistor. State theproperties and user of a junctiontransistor.

41. State the properties of a junction Diode.42. How do you classify the solids,

electrically?43. Draw the block diagram of a computer?

Describe the functions of each compo-nents.

44. Explain the p-type and n-type ofconductors.

45. State the properties and user of junctiontransistor.

1. What is the principle of screw gauge?2. Write Newton’s law of universal

gravitation calculate the gravitationalforce on an object of mass 10kg.

3. Difference between mass and weight of abody.

4. A body is projected vertically upwardswith a velocity of 2m/s. Find themaximum height reached by the body (g= 10m/s2)

5. What is the angular velocity of the earthabout its own axis?

6. What is the principle of launching asatellite into an orbit?

7. What is the necessity for banking ofroads?

8. Distinguish between a rotatory motionand a circular motion.

09. Explain the working of a laundry drier.10. What are the similar characters of

centripetal and centrifugal forces?11. What is simple harmonic motion? What

are its characteristics?12. What is centrifuge? How does it work?13. What are the uses of hard x-rays?14. Draw the diagram of electromagnetic

ware.15. Distinguish between node and antinode.16. Mention few incidents of resonance

Answers:1. Nitrophosk2. Calcium silicate and Calcium

aluminate3. Emulsions 4. –NO5. Pyrex glass 6. Polysterein7. Cardio vascular8. Sticks dye to the thread9. Pyrex 10. Annealing11. Adhesives 12. Porous13. WH Perkin 14. Magnesium silicate15. Sand 16. Dacoron17. Polyvenyl chloride 18. Rasin19. Soyabeans adhesive20. Mixed fertilizer21) Acid dyes, Basic dyes, Direct dyes22. Perkin 23. Reduces melting point24. Chromophores 25. Protozoa26. Clinker 27. broken glass pieces28. Rasins 29. Calcium sulphate30. Urea, formaldehyde rasin31. direct dyes 32. cement33. microfertilizers 34. Petrochemicals35. Visakhapatnam 36. Magnesium silicate37. Pastyrin 38. Polythene39. Medicines 40. Gypsum

Physics5 Marks Questions

4 Marks Questions

2 Marks Questions

Physics & ChemistryIMPORTANT QUESTIONS

Main Parts of Actual Laser?


12

SOMECONSTANTS

Least count ofa Screw gauge= 0.01mm

G = 6.67 × 10–11 Nm2Kg–2

g = 9.8m/sec2 (on earth) Mass of the earth M = 6 × 1024 Kg Radius of the Earth r = 6.4 × 105 m The distance between moon and the earth

3.85 × 105 Km g value on Sun 27.4 m/sec2

g value on moon = 1.67m/sec2

Time period of a seconds pendulum = 2 sec Velocity of light in vacuum = 3 × 108 m/s Wave length of Sodium vapour lamp = 5893 Å The band width of an ordinary laser is of

the order of 10 Å The band width of a high quality laser is 10–8 Å The wave length of Ruby laser is 6943 Å The wave length of He -Ne laser is 6328 Å Permeability of free space or vacuum µ0 =

4π × 10–7 Henry/meter 1 Tesla = 104 Gauss The value of B0 in AndhraPradesh is B0 =

0.39 × 10–4 Tesla J = 4.185 Joules Mass of proton 1.0078 amu Mass of neutron 1.0087 amu 1 amu = 931.5 × 106 ev = 931.5 Mev 1 Mev = 1.6 × 10–12 J 1 Kg = 9 × 1016 J 1 Joule = 1.11 × 10–17 Kg Energy released in Nuclear fission = 200Mev The value of Energy gap for Pure silicon is

1.1ev The value of Energy gap for pure

germanium is 0.72ev The frequencies used in Radio

communication are 300KHz to 30 MHz The frequencies used in TV

communication are 30MHz to 300 MHz Planck's constant h = 6.625 × 10–27 erg sec

or 6.625 × 10–34 Joule .sec mass of electron me = 9.16 × 10–31Kg Charge of electron (e–) = 1.602 × 10–19

Coulomb e/m of electron = 1.76 × 1011 C/Kg If PH < 7, Acid If PH > 7, Base If PH = 7, Neutral Density of Diamond = 3.51 gm/cc Refractive index of Diamond = 2.41 C – C Bond length in Diamond = 1.54 Å Bond angle in Diamond = 109°28' Density of Graphite = 2.25gm/cc C – C Bond length in Graphite = 1.42 Å Bond angle in graphite = 120° The distance between two successive

Graphite layers is 3.35Å

1. Pitch of the Screw = Distance traveled by

the tip of the screw/No. of rotations made

2. Least count of Screw gauge = Pitch of the

screw / No. of head scale divisions

3. Diameter of a wire using screw gauge (d)

= PSR + (HSR x LC)

4. Universal Gravitational constant

G = Fr2/m1m2

5. Relation between G and g is g = GM/r2

6. Weight of an object w = mg

7. Hook's law l–l0 /F = Constant

8. Maximum height reached by a vertically

projected body H = U2/2g

9. Time of Ascent t1 = u/g

10. Time of descent t2= √2h/g of t2 = u/g

11. Time of flight T = 2u/g

12. Velocity of a freely falling body on

reaching the ground V = √2gh

13. Relation between V, and ω is V = rω14. Angular momentum L = mvr or mω r2

15. Centripetal acceleration a = v2/r

16. Centripetal force F = mv2/r or mω 2r

17. Angle of banking Tanθ = V2/rg

18. Formulae to find 'g' using simple

pendulum is g = 4π2 l/T2

19. Distance between a node and next

antinode is λ/4

20. Distance between two successive nodes or

two successive antinodes is λ/2

21. Velocity of sound in air from resonating air

column is V = 2η(l2–l1).

22. Relation between v, n, λ is V = nλ23. :Laplace formula to find the velocity of

sound in air is V= √γP/ρ24. Length of air column at first resonance l1 =

λ/4

25. Length of air column at second resonance

l2 = 3λ/4

26. Inverse square law of magnetism F = µ0/4π. m1m2/r

2

27. Relative permeability µr = µ/µ0

28. Magnetic moment M = m × 2l

29. Relation between B and H is B = µ0 H

30. Magnetic field induction at a point on axial

line is

31. Magnetic field induction at a point on

equatorial line

32. Susceptibility χ = I/H33. Current I = q/t34. Potential Difference V = W/q35. Ohm's law i=V/R36. Effective resistance of two or more

resistors connected in series R = R1 + R2 +--------

37. Effective resistance of two resistorsconnected in parallel R = R1 R2/R1 + R2

38. Specific resistance ρ = RA/l39. Heat produced due to passage of current

through a conductor is Q = i2Rt/J40. Electrical power P = Vi41. Electrical energy W = i2Rt42. Faraday's First law of electrolysis m = Zit43. Faraday's Second law of electrolysis

m1:m2:m3 = E1: E2: E3. = Z1 : Z2 : Z3

44. Magnetic induction at a point near astraight current carrying conductorB = µ0i/2πr

45. Force on a current carrying conductor in amagnetic field F = ilB

46. Faraday's law of electro magneticinduction ε = –N(d∅ B/dt)

47. Inductance of a coil

48. Transformer rule n1/n2 = v1/v2 = i2/i149. Bohr's quantum condition I = nh/2π50. Mass energy equivalence E = ∆mc2

51. Binding energy B.E. = ∆m × 931.5 Mev52. Actinium series 4n+353. Uranium seires 4n+254. Neptunium series 4n+155. Thorium series 4n56. Angular momentum mvr = nh/2π57. Total number of orbitals present in a given

stationary orbit = n2

58. Total number of electrons in a givenstationary orbit = 2n2

59. For a given l value, the number of 'm'values are (2l+1)

60.

61.

62.

× 1/V in litres

weight of soluteMolarity(M)

gram molecular weight of solute=

volume of soluteolume percentage 100

volume of solution= ×

weight of soluteweight percentage 100

weight of solution= ×

Ldi / dt

−ε=

03

MB N / A m

4 d

µ ×= −

π

03

2MB N / A m

4 d

µ ×= −

π

Important Formulae

A.Naga Raja SekharScience Teacher,

ZPHS, Kothagudem

UNITSQUANTITY UNIT

G Nm2Kg-2

g m/sec2

Mass (m) Kg (MKS), gm (CGS)Weight (w) N(MKS), dyne (CGS)Velocity (v) m/secAcceleration (a) m/sec2

Angular displacement(θ) RadianAngular velocity(ω) Radian/secFrequency HertzSolid angle SteradianLuminous flux (ϕ) LumenLuminous intensity (I) Candela(or)Lumen/SrMagnetic pole strength(m) Amp-meter(S.I),

Weber (MKS)Magnetic moment(M) Amp-meter2(S.I)Magnetic induction(B) N/Amp-meter(S.I),

Tesla(or)Weber/m2(MKS)Intensity of magnetic Amp/Meterfield (H)Magnetic flux (ϕ) WeberMagnetic susceptibility(χ) No unitsPermeability (µ) Henry/meterRelative permeability(µr) No unitsIntensity of magnetization(I) Amp/meterCurrent (i) AmpereCharge (q) CoulombPotential Difference(V) VoltE.M.F(e) VoltElectrical Resistance(R) Ohm (Ω)Specific resistance(ρ) Ohm-meterSpecific heat(s) Cal/gm°CElectric power(p) Volt-amp (or) wattMechanical equivalent Joules/Calorieof heat (J)Electrical energy(W) Watt-sec (or) KWHElectrochemical Gm/Coulombequivalent(z)Self inductance (L) HenryMutual inductance HenryConductance Mho/meterAtomic mass unit AmuEnergy EvPlanck's constant Erg.sec (or) Joule.secIonization energy (e) Ev (or) K.cal.Mole–1

(or) K.Joule.mole–1

Atomic radius A°(or) atomic sizeElectron Affinity Ev (or) K.cal.Mole–1

(or) K.Joule.mole–1

Electro negativity Pauling E.N.ScaleConcentration of Mol/litsolutionMolarity Mol.lit–1

Mole fraction No unitsHeat of Nuetralization K.Cal/moleIonic product of water(Kw) Mole. Ion2 lit–2

Calorific value Cal/gm (or) cal/mole

Electro magnetic Wave length

radiation range

Visible spectrum 0.4µm ----- 0.7µm

Infra red spectrum 0.7µm ---- 100µm

Micro waves 10µm ----10m

Radio Waves 1 metre ---- 100 k.m.

U.V.Spectrum 0.4µm -----1 N.m

X-rays 0.01Å ---100Å

Gamma rays 0.001Å----1Å

Some Alkanes

MethaneCH4

Ethane C2H6

Propane C3H8

Butane C4H10

Pentane C5H12

Hexane C6H14

Some Alkines

Ethene C2H4

Propene C3H6

Butene C4H8

Pentene C5H10

Hexene C6H12

Some Alkenes

Ethyne C2H2

Propyne C3H4

Butyne C4H6

Pentyne C5H8

Hexyne C6H10

FUNCTIONAL GROUP NAME EXAMPLE-C - OH ALCOHOL CH3OH-C- CHO ALDEHYDE CH3CHOC = O KETONE CH3COCH3-C - COOH ACID CH3COOH- -C- O - C ETHER CH3OCH3- C - NH2 AMINE C3H7NH2-C - COOR ESTER CH3COOC2H5

Functional Groups

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