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.55/2/1 1 P.T.O.

narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$

_wI-n¥ð >na Adí` {bIo§ &

Candidates must write the Q.P. Code

on the title page of the answer-book.

Series A1BAB/2 SET-1

àíZ-nÌ H$moS> Q.P. Code

amob Z§.

Roll No.

ZmoQ> NOTE

(I) H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV

n¥ð> 11 h¢ &

(I) Please check that this question paper

contains 11 printed pages.

(II) àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE

àíZ-nÌ H$moS H$mo narjmWu CÎma-nwpñVH$m Ho$

_wI-n¥ð> na {bI| &

(II) Q.P. Code given on the right hand

side of the question paper should be

written on the title page of the

answer-book by the candidate.

(III) H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _|

12 àíZ h¢ &

(III) Please check that this question paper

contains 12 questions.

(IV) H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go

nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$

Adí` {bI| &

(IV) Please write down the serial

number of the question in the

answer-book before attempting it.

(V) Bg àíZ-nÌ 15 {_ZQ >H$m

g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU

10.15 ~Oo {H$`m OmEJm &

10.15 ~Oo go 10.30 ~Oo VH NmÌ Ho db

àíZ- do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &

(V) 15 minute time has been allotted to

read this question paper. The

question paper will be distributed

at 10.15 a.m. From 10.15 a.m. to

10.30 a.m., the students will

read the question paper only and

will not write any answer on the

answer-book during this period.

^m¡{VH$ {dkmZ (g¡ÕmpÝVH$)

PHYSICS (Theory)

: 2 : 35

Time allowed : 2 hours Maximum Marks : 35

55/2/1

Page 2 of 20

.55/2/1 2

:

(i) 12

(ii)

(iii) 1 3 2

(iv) 4 11 3

(v) 12 5

(vi)

(vii)

c = 3 108

m/s

h = 6.63 10 34 Js

e = 1.6 10 19 C

0

= 4 10 7

T m A 1

0

= 8.854 10 12 C2 N

1 m 2

0

4

1

= 9 109

N m2

C 2

H$m Ðì`_mZ (me

) = 9.1 10 31 kg

Ý`yQ ́>m°Z H$m Ðì`_mZ = 1.675 10 27 kg

àmoQ>m°Z H$m Ðì`_mZ = 1.673 10 27 kg

AmdmoJmÐmo g§»`m = 6.023 1023 à{V J«m_ _mob (per gram mole)

~moëQ2>μO_mZ {Z`Vm§H = 1.38 10 23 JK 1

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.55/2/1 3 P.T.O.

General Instructions :

Read the following instructions very carefully and strictly follow them :

(i) This question paper contains 12 questions. All questions are compulsory.

(ii) This question paper is divided into three sections Section A, B, and C. (iii) Section A Questions no. 1 to 3 are of 2 marks each.

(iv) Section B Questions no. 4 to 11 are of 3 marks each.

(v) Section C Question no. 12 is a Case Study-Based Question of 5 marks.

(vi) There is no overall choice in the question paper. However, internal choice has

been provided is some of the questions. Attempt any one of the alternatives in

such questions.

(vii) Use of log tables is permitted, if necessary, but use of calculator is not

permitted.

c = 3 108

m/s

h = 6.63 10 34 Js

e = 1.6 10 19 C

0

= 4 10 7

T m A 1

0

= 8.854 10 12 C2 N

1 m 2

0

4

1

= 9 109

N m2

C 2

Mass of electron (me

) = 9.1 10 31 kg

Mass of neutron = 1.675 10 27 kg

Mass of proton = 1.673 10 27 kg

6.023 1023 per gram mole

Boltzmann constant = 1.38 10 23 JK 1