xi physics problem kmph 300m traffic signal 20s i ii 50 m 25 m s-1 3.6 wall 4.8 m. 3.6m d 90 0 d...

XI PHYSICS PROBLEM

6.3 x 1010m

5.42 g 1.2kg

h

mv

h m v

76 cm N m-2

9.11 x 10-31 kg 1 kg

73.0 s 1450 ms-1

i) 600900 ii) 5212.0 iii) 6.320 iv) 0.0631 v) 2.64 x 1024

= 3.14. 2

5.74 g 1.2 cm3

4.234 m,1.005 m 2.01cm

0.1 cm 25.0 cm

T i m ii (P) iii

(r) , k = 1

2

F i (m). ii v

iii r

k = 1

i

2

2

mvF

r F m v r

ii1

2 1

gn

n g l

iii2 21

2mv mgh m v g h

i18

5 kmph m s-1 ii) 15

18ms kmph iii) 13.6 cm-3 - kg m-3

www.Padasalai.Net www.TrbTnpsc.com

http://www.trbtnpsc.com/2017/06/latest-11th-study-materials-tamil-medium-english-medium.html

www.Padasalai.Net

72 kmph 300m

traffic signal

20s

i

ii

50 m

25 m s-1

3.6 wall

4.8 m. 3.6m

090

2000 m 540 kmph

bomb

20 3 N

F1=20 kN F2=15 kN

1200

5kg wt

,

i) 10 kN pull N 300 E; ii) 20 kN push S 450W.

iii) 5 kN push N 600W iv) 15kN push S 600 E.

1500 N

300

450

m railway 72 kmph

1.54 m



www.Padasalai.Net

9 kmph

2kg

0.5 N

39.2 m s-1

10g 5kg

5cm

55m

85m

450

300 kmph

600 40 kg wt

300 30 m s-1

i ii iii

4 3

65kg elevator

800 N

6kg 3ms-1

5 ms-1

36 m s-1 150g

21m s-1

1/20 s),

12 N 8 N

600

18 kg wt

12 kg w t



www.Padasalai.Net

3 m 4 m 20 kN

m

i 300 20 N

ii 25N

iii 450 30 N

iv 400 35 N

10 N.

13 N

880 m 44 m s-1

200 m 36 kmph

4.5 kmph 300 N

30m 10m s-1

30kg i

ii 10m

2 kg 5kg

60 kg 3m

8 ms-1 2000N

300 kg 200 kg 50 ms-1

100 ms-1

x

2x m 0.4 kg 2x m 0.6 kg

x

1m m1=1 kg, m2 = 2 kg, m3 = 3 kg

m r

2 23

4E mr



www.Padasalai.Net

1kg 0.6m

5 m s-1 i ii

200kg 100 s-1

0.25m

100 g 100 cm

100g 10cm

100 rad/s

i ii

5cm 0.02 kg m2

20 N

A 45N

Seesaw 45kg 15kg

4m

0.5m 2kg ,4kg ,6 kg

2kg 4kg x

a =1 m, b = 2m 1 kg, 2 kg, 3 kg , 4 kg

1kg x 2kg y 4kg

dumbbell CO

d

12amu

16 amu. (1 amu = 1.67 x 10-27 kg)

50 g 2 cm

5 m s-1

Ek = 2 21 1

2 2mv I

2kg 6 0.22m

jar 8cm 20 N



www.Padasalai.Net

200kg 2m

1.67 ms-2 1.74 x 106 m

6400 km

1.74 x 106 m

7.36 x 1022 kg.

4 x 105 km

12kg 6 x 1024 kg

9.8 x ms-2

0.75 m

(2/3) (1/4)

a vertices m

6R

2.5R

R

10kg 20kg 5m

1

4

1

80

9.8 ms-2

1.67 ms-2

250 N

6400 km 500 km

g = 9.8 ms-2 ; R = 6400 km



www.Padasalai.Net

( R = 6.4 x 103 km ; g = 9.8 ms-2)

11.2 km/s

1000 km

6400 km 6 x 1024 kg

3400 km

6400 km; g = 9.8 ms-2

600 kg 500 km

i ii iii g = 9.8 ms-2.

6300 kg m-3

6400 km

(R = 6400 km, g = 9.8 ms-2)

4m 3 mm 50kg

q=7 x 1010 N m-2

1km 0.01%

103 kg m-3

3000 kg

425 x 10-4m2

0.1m 0.1m s-1

2 x 10-3N

10-3N s m-2

10-2m

p = 1.3 kg m-3 7 2187 10 N sm

0.3 m

= 2600 kg m-3 10-3N s m-2

0.03m

0.003 kg wt

2.219 mm

T 0.54 N m-1 1400 13600 kg m-3



www.Padasalai.Net

1 x 10-3m

= 0.072 N m-1

0.5 m)

= 1040 kg m-3

2.5 mm 980 N

12.5 x 1010 N m-2

4mm 0.25%

q=9.2 x 1010 N m-2

40 mm 2 x 107 pa

1.25 x 1011 N m-2

P2 50cm P1 10cm P1 –

10cm P1 1 N P2

1m 10-2 m 0.2m

9 x 10-4N s m-2 ,

g = 9.8 m s-2

103 Pa 0.1m 10-3 m

1.25 x 10-3 N s m-2

2cm

=10-3 N s m-2.

a = 15 x 10-6 m3

b = 0.30 m c = 0.25 m d 2 x 10-3m

e 2300 kg m-3

800 kg m-3 0.01m 5 x 10-3 m s-1

1mm 0.2 N s m-2 0.07 m s-1

U U

1.5 x 10-2N 30cm

0.02 m

0.07 N m-1



www.Padasalai.Net

0.5 x 10-4 m2 1.1 x 10-4 m2

0.03 N m-1

0.5 x 10-3m

0.074 N m-1

4mm

13,500 kg m-3 0.544 N m-1

2.33

5 x 10-4 m 0.075 N m-1

10-8m

0.075 N m-1

32 x 10-2 m 2 x 10-2 m s-1

40 x 10-2 ms-1

/ 3 25Hz 0.05 m

y = 5 sin 3

t

i ii iii

iv y

T.

2cm 3 cm

4 cm s-1 3cm s-1

10kg 15 cm

1.5 s

2kg

y = 3 sin 1004

t

cm



www.Padasalai.Net

15kg

0.1 m 3.14s

65 Nm-1 680g

11cm

i ii iii

60cm 4 x 103 Nm-1 10kg

i ii

m 4kg

1

1.7 m s-2 3.5 s

4.2 s 1m

3.7 s

50Hz 0.5m2

t = 0

y= 0.25 sin (3014 t + 0.35) y mm

t s i ii iii iv

v

2 sin 02t

T

t = 0

3 cm

5m rad s-1

i ii

iii iv 3m

10cm 2s

6cm

4.6 N m

0.082 kg m2



www.Padasalai.Net

1200 N m-1

3kg 2cm

i ii

iii

0/2 kg 15 mm 10mm

10m

i ii

250 Nm-1 5kg

400 Nm-1 2kg trolley

3cm

i ii iii

U 0.3 m

4 cm 1 s i

ii

0.2 kg 2cm 6s

i ii 1cm

2%

256 Hz

343m s-1

100 kHz

340 m s-1 1486 m s-1



www.Padasalai.Net

50m 0.5kg 400 N

10 Hz i

iii

0.022 x 1011Pa 256 Hz

270 C

28.8 g mol-1 1.4. R - 8.314 J mol-1 K-1

NTP 0.001293 g cm-3 i ii

270C 347 m s-1 6270C

y = 0.50 sin (500 t – 0.025 x),y,t x

Cm, s, m

i ii iii iv

v

2 watt

20 m

i W m-2 ii

A B

0.96 m A

0.97 m B

1 m 5 x 10-4 kg 20N

512 Hz

256 Hz 32 cm

384 Hz

20.8 cm

144 km/hr 72 km/hr

500 Hz

340 m s-1 i ii



www.Padasalai.Net

0.60 cm 340 m s-1

1480 m s-1

1000 Hz

340 m s-1)

7

5

5

3

Y=10 sin 2 0.01t x y x t

i ii iii

60

1 kHz 83cm

332 m s-1

1m 1.05 m

1.2 m 9.8 N 240 Hz

1 : 3 : 4 114 cm

240 Hz

350 ms-1

800 Hz

9.75 cm 52.75 cm

256Hz

i 40 m s-1 ii

40 m s-1



www.Padasalai.Net

480 Hz 1.25m 16.0 rad s-1

340 m s-1.

A B 15 cm

A 30.5 cm

B

RMS

NTP

NTP 15cm3

T

11 RT

R

A B 600 K

A T A

B 150 K

i

ii

70C

70%

1770C 770 C

4200 J

i 100K 500K ii T.K 900 K

T

277 K Refrigerator 300 K

A N

T1 T2 A B

600 C 520 C

320 C 440 C



www.Padasalai.Net

320 K

NTP RMS

NTP

NTP RMS 2.2 x 10-2 ms-1

4 x 10-26 kg RMS 400 m s-1 NTP

10 x 10-6 m3

NTP

NTP. (R= 8.31 J mol-1 K-1)

00C (R=8.31 J mol-1 K-1

1.4

270C

NTP

i ii

1.4

300 K =1.5

8.4 k J 500 J

4.2 x 105 J

60kg

28%)

1.449 x 10-5cm

1000K

( = 5.67 x 10-8 W m2 K-4)

1000 C

300 cm2 0.2cm

( K=0.2 W m-1 K-1)

270C, 2270C

1270C



www.Padasalai.Net

16 : 1

1000K

44

0E T T

( 4753 )m A

600 C 500 C

200 C 400 C

700C

30 C 600C

2.50C

2m

1.90 m

2.5cm f

150 km

10 cm

5 cm 45cm 90cm

5000Å

2.5 m

4.8km



www.Padasalai.Net

21 cm 14 cm 3cm

-80 cm 2.0

3/4

400 nm 700 nm

1.66 1.61

50

1.642 1.656

1.5 50

10 cm

B = 4 x 10-5 T

300

2700

1800

: t = C

5.25 x 10-2A m2

i ii

450 0.42 x 10-4 T

90g 3 Am2

2.7 x 105 A m-1

1.5 cm2 8cm 50 A m-1

0.024 T i ii

5 x 10-4 T 8cm

6 x 10-3 N



www.Padasalai.Net

20 cm

2 x 10-5 N

1m

0.2m 4Am

10cm 24.6 x 10-2 Am 0.01 T

300

10cm 9.8 x 10-1 Am2

20cm

0.108 0.192 A m2

30cm 40cm

72g 7200 kg m-3

0.72 A m-1

25cm3 12.5 x 10-4 Am2

2 x 103 Am-1 24 /Wb m

M.JAYABAL.,M.Sc.,M.Ed.,

PG ASST IN PHYSICS

RKV MATRIC HR SEC SCHOOL JEDARPALAYAM

NAMAKKAL

CELL: 97150 75736

e-mail: [email protected]



www.Padasalai.Net

xi physics problem kmph 300m traffic signal 20s i ii 50 m 25 m s-1 3.6 wall 4.8 m. 3.6m d 90 0 d...

Documents