NARAYANA JUNIOR COLLEGE

TIME :3 Hours

DATE:15-06-2013Max. Marks:80

MATHS.AI. Answer ALLVeT Short Answer Questions.l. tf i,-3 2)'-81-[ s ' I ono the values of x,y,zafld a.lz+2 6)L-2a-4) [t 3 -sllt2. Define trace and find the trace of I z -l s l.lz o llIL Answer ALL the Short Questions.

2x24

4x4:16

3.

4.

5.

[r 2 -11 [-: -r ol ',lf n=lz -2 o 1,r=i z I 3l and x =A+B thenfind x.[r 3 r.] [+ -r 2)

[o I 2l [-r 2 3lff,e=lz 3 4land,s=l 0 I 0ifinda'Aand4A-sB-

[+ s -61 [o o -r]

L-, -, -3"],rr=[l 0l uno u=[9 1l ,r,"nshow that \at+bE)'=a'I+3a'bE where I is--' [o t.] ---- Lo olunit matrix of order 2.

I.1.

2.

J.

4.

5.

MATHp-BAnswer ALL Questions.Short Answer Questions 5x4=20a) Find the equaiion of,locus of a point whirlh is at adistance 5^ from A(4,-3)b) Find the equation of locus of a point which is equidlstzurce from the co-ordinate axes

Find the equation of locus of a point P such that the.distance of P from the origin is twice thedistance of P from A( 1,2).Find the equation of locus of a point P such that PAz + PB2 = 2c2where A{a,0),8-(-a,0)and o

PHYSICSI. Answer ALL the Very Short A^w". erestions. 2x24l. What are fundamental forces in nature?2: What is the contribution of S.Chandrashekarto physics?fi. Answer ALL the Short Answer Questions 2x4:g3. a) What is discovery of C.V Raman?

b) What is Physics?

4. Distinguish between fundamental units and derived units?III" Answer the Long Answer Question lxg:g5. a) sindxcot0 = b)sin0xsec0= c) secdxcosd = d) sin2 0+cos2 0 =

e) sex;' e -rrn2 e : 0 sina: g) cot300 : h) coseca:

CHEMISTRYI. Answer ALL Questions. ...

"'

Long Answer Question. lxg:gt. rxplain Rutherford's nuclear model of an atom. what are its drawbacks?Short Answer Questionsz. ,) ilffi;l,,,i" nu-u"r and mass number? lx44b) What are isotopes and isobars?

'Vbry Short Answer Questions 4x2:g3' The static electric charge on the oil drop is-3.2044x10-" C. How many electrons arepresent on it?

4. What is the complete symbot for the atom with the given atomic number (Z) andrnass nurnber?(t).24. A:9; (Ir). Z:17, 1.3J Oil). Z:92, A:233.5. What is the charge, mass and charge to mass ratio of an electron?6. Calculate the rnass of one mole of electrons.

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PAPER SETTERS (}TYD-CTI )MATHS-A MR SATHAIAII 8341894081

MATHS:B MRJ KAMALAKAR 9440538384

PTTYSICS MR. NARASIMHA REDDY 99859s9168

CHtrMTSTRY MR. BALASHAI\[KAR 9490583216

:sjjj,1jj.:-J3

DATE:15-06-2013Max. Marks:40

NARAYANA JUNIOR COLLEGEJR AIEEE & na.*rcur rcTIME :30 Mins

t.|-' o rl

The additive inverse of A where A=l O -i '

I[-r I sJI--i o

-ll [i o rl [i o tl,rlo i -zl ,lo i 1l rllo -i zl' [, -1 -rl ' [, -r -Ii [r -r -sl

,, n=l:, T] ** _,,r zo -zsl -. [-zo 2s1 -.[-zo "-2s1

,, 1_; ;j aL; -;l "L 'o ,sl,,,=[l '^),=11 l] *",.,',[,1 'l] ',11 T] "[,X T]rr,n =fl' ol tn"n z'L0 ,ll--i o-l

-. [; ol -- [t ol

', 1; ;l ')L; ;l "Lo 'lor=[1 i]',=[; ;] * x+A=8 then x

t -a u i -.i, -ol ^,lz o 'l" [* _;j ?l; -;) "Lo -,)

[i 04)10 -i[rr

lzo zs1+) fro -rs]

l++)

[ro

l--ro,L

o

'[i:l

2.

3.

4.

5.

10-1

o.l

:,1

lz -olo'L-o -r)

i;

r I"'r :-.

,.. ' :j

3) I 4)3

i:] ' ,) [-i', il] ,li: ;'J]_B

I ^.1--r rl [-r -rlI ',1-, ,) ul-, -r)sl l-z t 21zl,c=lt r zltnen A+B+c-31 12 0 rl",:l l? 4 rol lz I rolal tlr r al otl, r 8lrl [s I r] [s I rj

' ' I 1-'"2Thetrace ot A it A=l 0

-lltrz 2

l) 0 2)2rc .q=l a 21tt"n .t,L-r I j,r[ ou -38-] ,.,[*u'L-te

-lll -'L-rg,'r=[i :),r=l: l] **,,r[' l.l ,,[' -l'l-2 2) 'l-z 2

[-r -2 sl [r -zrrl=l I z +l,r=lo zlz -r:J [r 2

l-a : ro'l l-z -3rll2 I 8l Ul2 I[s r r.] Ls r

8.

9.

10.

MATHS-B

11. The distance between the two points A(x,yr)and B(*r,yr)is AB=

The distance from origin to the point p(x,y) is Ot:r\ ,l*'

- y, z1 ,l/ a q ,{j q +1 2,ff q

The coordiantes of the point 'p'whieh divides A(*r,y,) and B(-r,yr)in the ratio m:n

t2.

13.

internally is

,'1 ( *, * *, ,m!z + n!r\\ m+n m+n ),y(ryr**, ,mtz+ntr\\ m-n m-n )

",

(mxr-nx, mlz-n!,\'' \-;;' **" )/\a1{ \*{z h+lz 1''( 2 ' z )

, 14. The coordinates ofmidpoint of p ofthe line joining A(*,,yr)and B(r;,yr) isu(ry,ry) ,t(.,\':,ry):F

,(ry,ry) u(ry,ry)

(*,- \)' -(v,- y,)'zs ,{1-,-.,y *1*r) il,, ;.f "O,-yfrrffi

3 :rt$ffi::'r:"'-

15. The point P and Q which divides the line segment AB in the ratio l:2 and 2:l are called1) Point of intersection 2) point of trisection3) Point of concurrent 4) No one

16. Theareaoftriangleformedbythevertices l(x,y,),8(x,Yr).and C(x,yr) isD ;1.;,:;1.),!j,lsq'units . y'+li,;, "),.Ji,l'q'unts : '3) ihtt 'j,;iilsq.units 4) No one

17. Thepoint of-boncurrent ofthemedians of a triangle is called'' l)'Orthocenter 2).Circumcenter 3) Centroid 4) Incenter'18. The centroid is divides every median in the ratio is

r) 2:t 2) t:2 3) L I 4) 2:319. The centroid oftriangle with vertices A(x,yr)',8(*r,yr),C(x:,yr) h

-'\ 3 -'---) ",,(.- 3 ' 3 ),,

(-x,+ xr+ x, --!r+ !z* !t'l ,., ( r, +x, -x, . lr+ lr- !r\

' ( 3 _-'----=-"- ) .*,, I i--;- 3- )20. The point of concurrent of the altitudes of a triangle is called

1) Centroid 2) Orthocenter : 3) Circumcenter 4) IncenterPHYSICS

21. A physical quantity is one which1) cannot be measured :. 2) canbe measured '3) it is a scalar quantity 4) is a vector quantity

22. urfti.n of the foitowing fundamental quantity i,au. ,um. ,rnit. in C.G.F, F.P.S apdM.ICS system1) Lengti 2) Mass 3) Candela 4) Time

23. Scattering of light by molecules discovered byl) S Chandrasekhar 2) J.C.Bose 3) H.R.Hertz 4) C-V'Raman

24. The atornic size is ofthe order of.1) 10am 2\10-t0m 3) 10-1fz 4)10.20m

25. Einstein's rnass-energy equivalence is i --F.2l)E=mc2 2)C=!' 3)E=m2c 4)c=!-

: 7n E :'' ; :-.; r7:26. Strong nuclear force binds

I ) electrons and protons 2) elecffins and neutrons : '3) protons and neutrons 4) electrons, protons, neutrons

,

27". i The range'of strong nuclear force is_titnes greater4ldn electiomagnetic force in stiengthl) 10 i.? 2) 10028. Gravitational force is1) Mutual attraction force3) Long range force

29. Who discovered Neutron

3) 10oo 4) 100002) Universal force4) All the above

1) James chadwick 2) Fermi 3) SN.Bose 4) Milljkan

-: lr a

30. Who discovered the Electron 'l) Albsrt Einstein 2) J.C.Bose 3) J,J.Thomson 4) Bohr

32.

CIIEMISTRY

31. The number ofprotons, neutrons and electrons in ff.Br are

l) Isobars 2) Isotopes 3) Isotones

3) Isotonesfuc'o,rNto ] are examples forl) Isobars 2) Isotopes

l) 35,35,45 2) 35,35,35 3) 35,45,35 4) 45,35,35The atoms with same mas number but different atomic number is known as1) Isobars 2) Isotopes 3) Isotones 4) IsodiapheresThe atoms with same atornic number but different mass number calledl) Isobars 2) Isotopes 3) Isotones 4) IsodiapheresThe Mass ofelectron isl) 9. t lx 10{rKg 2) g.llxl} 28 gm 3) Both I and 2The number ofprotons present in the nucleus of an atom is calledl) Atomic number 2) Mass number 3) Nucleons

33.

34.4) 9.l l x10-27Kg

35.

36.

37.

38.

The number of protons and neutrons present in the nucleus collectively known asl) Atomic number 2) Mass nlmber 3) Nucleons 4) Both 2 and3[,H',, D2,, r']with same atomic number but different mass number is called

4) Isosters

4) Isodiapheres

.

4) Isodiapheres39. The specific.nr".(;) of an electron is

l)1.758820 xt}tt c I Kg 2) 1.758820x10t4 c I Kg3) 1.758820 xl08 C I Kg 4) 1.758820 xl}e C / Kg

40. The number of protonso electrons and neutrons in a species are 16,18 and 16 respectively.Symbol of species ist) ftAr 2)

":5" 3) i;S

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4) ,'ooS"

PAPER SETTERS ffIYD-CT1)MATHS.A

MR. SATHAIAH 8341894081

MATHS.B IVIR. KAMALAKAR 9440538384

PHYSICS MR. NARASIMHA REDDY 9985959168

CHEMISTRY MR. BALASHAIYKAR 94t90583236

,,f"4-ffi I\ARAYAI\A JUNFIOR' COTLEGE."iBl$ir*;w4r':{"tsspt.lIJT}?'\-d**it*"e- ALTI\IIDA DDAnE'lQff.I-T3ff**}ff#f. ' AND'H PRADESHJR AIEEE & EAMCET IC " IPE MODELTBST DATE:15.06-2013

1. 16.I

2.27.3

CDF KEY

MATHS-A

3.3 4.48.3 9.1

MATHS.B

13.1 14.1,18.i 19.1

j 1 ri

PHYSICS

23.4 24.328.4 29.1

CHEMISTRY

33.2 34.338.1 39.r

'5.3r10.2

Il.215. 1

21.226.3

31.i336.4

12.317:3

75.220.2

25, t* 30.

-3

22,427.2

32.I37.2

35. 140.'2 ,'

i..,t'

1M1MtMIM

4M

2M

2M

2M

zur

IM

IM1MtlvrIM

riJ: . 1 ], -I MAT'HS.A..!., . x-3 =5 2y-8=2 . z+2+-Z 6=a*4,'.,,. -....

r,*8" ,l Y=5 z=4 a=10

2",*,', +.- ; The, ium of-the p*ineiple.diagonalis called a trase .,: .,Trace ofA: l-l+1= I

jl

"e I IPE;

l. a) For writing PA:5

2"b1,')'i',u7=l', l].[: ";']

=a'I +3azbE

2M

[s , .1 [-r -r ol [o IX =12 -Z O l+l Z r r [=l+ :-t[, 3 ,J L, -l z) l_, 2[-r I lln-,n=l

-z z -o IttL-4 -s 5l[s 4 -?1qt_58

=l8 7 t6 |Lro zo -lel

A2 = AxAlo o oltt=l 3 3 9llrl[-r -r -3]A3 =AzxA ::l0 0 0lII

=10 0.01[ooo]:. A3 =0

q

j'

3.

'i: 5-

TM6. or +uo =fq alIo a)aL,'lo'(aI+DE)'=l*" fo,' ("f +Af )'=[o

MATHS-B

b) For getting answer x' + y2 * 8r + 6y = SFor writing l.rl = lrlFor getting aaswer *'

-

y' =O7

IM3Ir!rMIM2Mli\ilIMrM

t.

2M2trt2l}r

zril4lls$

J.

4.

5.

1.

)aJ.

4.5.

l.

For writing OP:2PAForgettinganswer 3xz +3y2

-gx- l6y+20=0For writing given dataFor writing PA:2.P8For getting answer x2 + y' + l0 + 9 = 0For writing dataFor wriiiirg AP:PB=2:3 and 9eF=4pB2For getting answer 5x2 + Sy2

-34x +120y +29 =O

.PHYSICSa) Gravitational force by nbctffiffiilc forcec) Strong Nuclear force d) Week Nuclear forceStructure and evolution of starsa) inelastic scattering of light by moleculeb) Physics deals wit[ study basic laws of nature and their manifestationin different phenomena.Four differences (each one carry I Mark)Each one carry I Mark

cHpMrsTRYAbout ExperimentObservationFour postulatesDrawbacksFor each definition aQ =rleformulaAnswer( 2electrons)r)lBe D i;CI ilT) T:UCharge of e* is

-1.6022x101e CMass of e- is f.i094xl0{'Kglr*io of e- is 1.758820x1 OttC I KgmCorrect calculation & answer (l Farady)

4.

5.

.,

3.

2M,:'2M6.

,|

rMrM4Il2IlrilrilrI}l2n[