This document contains multiple choice questions related to various topics in physics including electromagnetism, mechanics, heat and thermodynamics, modern physics, and other areas. The questions are from different dates and shifts and cover concepts such as EM waves, crystal structures, projectile motion, capacitors, magnetic fields, radioactivity, and more. Multiple choice options A, B, C, or D are provided for each question.

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5. EM Wave

7. Crystal
structure
Sterilizing
surgical
instruments
Greenhouse
gases
RADAR

8. Find the correct relation, all the variables have their usual
meaning. [24 Jan 2023 Shift 1]
A
B
C
D

9. Find the correct relation, all the variables have their usual
meaning. [24 Jan 2023 Shift 1]
A
B
C
D

10. An EM wave is propagating along negative z direction having
electric field along positive y direction. Find direction of
magnetic field [25 Jan 2023 Shift 1]
A
B
C
D

12. An EM wave is propagating along negative z direction having
electric field along positive y direction. Find direction of
magnetic field [25 Jan 2023 Shift 1]
A
B
C
D

13. MOI

22. Let lcm be the moment of inertia of disc passing through center
and perpendicular to its plane. IAB be the moment of inertia
about axis AB that is in the plane of disc and 2r/3 distance from
center. Find Icm/IAB [24 Jan 2023 Shift 2]
A
B
C
D
1/4
18/25
9/17
1/2

24. Let lcm be the moment of inertia of disc passing through center
and perpendicular to its plane. IAB be the moment of inertia
about axis AB that is in the plane of disc and 2r/3 distance from
center. Find Icm/IAB [24 Jan 2023 Shift 2]
A
B
C
D
1/4
18/25
9/17
1/2

25. Find the radius of gyration for the uniform solid sphere of
radius 5 cm about the axis PQ, as shown in the figure.
A
B
C
D
5 cm
10 cm

26. Find the radius of gyration for the uniform solid sphere of
radius 5 cm about the axis PQ, as shown in the figure.
A
B
C
D
5 cm
10 cm

27. Heat engine

30. A carnot engine gives 50% efficiency for the source of temperature
600 k. What should be the source temperature if η =70% is
required for the same sink temperature? [25 Jan 2023 Shift 1]
A
B
C
D
100 k
700 k
1000 k
800 k

32. A carnot engine gives 50% efficiency for the source of temperature
600 k. What should be the source temperature if η =70% is
required for the same sink temperature? [25 Jan 2023 Shift 1]
A
B
C
D
100 k
700 k
1000 k
800 k

33. The efficiency of a carnot’s engine, working between steam
point and ice point, will be: [July 2022]
A
B
C
D
26.81%
37.81%
47.81%
57.81%

34. The efficiency of a carnot’s engine, working between steam
point and ice point, will be: [July 2022]
A
B
C
D
26.81%
37.81%
47.81%
57.81%

35. Gravitation

38. The period of pendulum at Earth's surface is T. find the time
period of the pendulum at a distance (from center) which is
twice the radius of Earth. [25 Jan 2023 Shift 1]
A
B
C
D
T/4
4T
T/2
2T

39. The period of pendulum at Earth's surface is T. find the time
period of the pendulum at a distance (from center) which is
twice the radius of Earth. [25 Jan 2023 Shift 1]
A
B
C
D
T/4
4T
T/2
2T

40. Statement 1: acceleration due to gravity decreases if we go at
height “h” or at depth “d”
Statement 2: Acceleration due to gravity at height h & at
depth d is the same if h = d [24 Jan 2023 Shift 2]
A
B
C
D
1 - True, 2 - False
1 - True, 2 - True
1 - False, 2 - True
1 - False, 2 - False

41. Statement 1: acceleration due to gravity decreases if we go at
height “h” or at depth “d”
Statement 2: Acceleration due to gravity at height h & at
depth d is the same if h = d [24 Jan 2023 Shift 2]
A
B
C
D
1 - True, 2 - False
1 - True, 2 - True
1 - False, 2 - True
1 - False, 2 - False

43. Find the change in potential energy if a particle of mass m is
taken to a height 3 times the radius of earth above the Earth's
surface. [25 Jan 2023 Shift 2]
A
B
C
D
3MgR
MgR/4
5MgR/4
3MgR/4

44. h = 3R
Vf
Vi
ΔV

45. Find the change in potential energy if a particle of mass m is
taken to a height 3 times the radius of earth above the Earth's
surface. [25 Jan 2023 Shift 2]
A
B
C
D
3MgR
MgR/4
5MgR/4
3MgR/4

46. kinematics

47. Find the velocity of the particle if position of the particle is
given by x = 2t2 at t = 2 sec.
B
C
D
8 m/s
4 m/s
16 m/s
32 m/s
A

48. Find the velocity of the particle if position of the particle is
given by x = 2t2 at t = 2 sec.
A
B
C
D
8 m/s
4 m/s
16 m/s
32 m/s

49. The velocity-Time graph of a body moving along straight line
is given as shown. The ratio of displacement and distance is:
[24 Jan 2023 Shift 2]
A
B
D
1 : 1
1 : 2
1 : 3
1 : 4
8
4
0
-4
2 4 8
10
t(sec)
v(m/s)
C

50. The velocity-Time graph of a body moving along straight line
is given as shown. The ratio of displacement and distance is:
[24 Jan 2023 Shift 2]
A
B
C
D
1 : 1
1 : 2
1 : 3
1 : 4
8
4
0
-4
2 4 8
10
t(sec)
v(m/s)

52. Two projectiles are thrown at an angle of projection α and β
with the horizontal. If α + β = 90o then ratio of range of two
projectiles on horizontal plane is equal to [25 Jan 2023 Shift 2]
A
B
C
D
1:1
2:1
1:2
1:3

53. Two projectiles are thrown at an angle of projection α and β
with the horizontal. If α + β = 90o then ratio of range of two
projectiles on horizontal plane is equal to [25 Jan 2023 Shift 2]
B
C
D
1:1
2:1
1:2
1:3
A

54. SHM

56. A particle performing SHM with amplitude A starts from x = 0
and reaches x = A/2 in 2 sec. Find the time required for the
particle to go from x = A/2 to x = A [25 Jan 2023 Shift 2]
A
B
C
D
1.5 s
4 s
6 s
1 s

57. A particle performing SHM with amplitude A starts from x = 0
and reaches x = A/2 in 2 sec. Find the time required for the
particle to go from x = A/2 to x = A [25 Jan 2023 Shift 2]
A
B
C
D
1.5 s
4 s
6 s
1 s

58. a
M

59. C
a

60. Capacitor

61. d
A
V
Effect of dielectrics

62. K

63. A parallel plate capacitor of capacitance C, has plate area
40 cm2 and plate separation 5mm. If a dielectric slab of K = 4
and thickness 4mm is introduced between the plates, then
the new capacitance will be [25 Jan 2023 Shift 1]
A
B
C
D
2.5C
5C
10C
20C

66. A parallel plate capacitor of capacitance C, has plate area
40 cm2 and plate separation 5mm. If a dielectric slab of K = 4
and thickness 4mm is introduced between the plates, then
the new capacitance will be [25 Jan 2023 Shift 1]
A
B
C
D
2.5C
5C
10C
20C

67. Current

68. The resistance of a wire is ‘R’ ohm. If it is melted and stretched
to ‘n’ times its original length, its new resistance will be:
A
B
C
D
R/n
n2/R
R/n2
n2R

70. The resistance of a wire is ‘R’ ohm. If it is melted and stretched
to ‘n’ times its original length, its new resistance will be:
A
B
C
D
R/n
n2/R
R/n2
n2R

71. A wire with resistance 5Ω is redrawn to increase its length 5 times.
What is the final resistance of the wire [25 Jan 2023 Shift 2]
A
B
C
D
25 Ω
16 Ω
125 Ω
32 Ω

72. A wire with resistance 5Ω is redrawn to increase its length 5 times.
What is the final resistance of the wire [25 Jan 2023 Shift 2]
A
B
C
D
25 Ω
16 Ω
125 Ω
32 Ω

74. If RV = 400Ω. Find reading of voltmeter. [24 Jan 2023 Shift 2]

76. If RV = 400Ω. Find reading of voltmeter. [24 Jan 2023 Shift 2]
Ans : 4V

77. In the circuit shown, find the current through R4(I4) and R5(I5)
[24 Jan 2023 Shift 1]

78. In the circuit shown, find the current through R4(I4) and R5(I5)
[24 Jan 2023 Shift 1]

79. Magnetic Field

84. Match the columns for the Magnetic fields at the centre of
given figures [25 Jan 2023 Shift 1]

85. ● 0
A
B

86. ● 0
C
D

87. a-iv, b-ii, c-iii, d-i
Match the columns for the Magnetic fields at the centre of
given figures [25 Jan 2023 Shift 1]

89. Find ratio of magnetic field at the centre to the magnetic field on the
axis at distance R as shown in the figure. [24 Jan 2023 Shift 1]
A
B
C
D
2√3
3√2
3
R
R

90. A
B
C
D
2√3
3√2
3
R
R
Find ratio of magnetic field at the centre to the magnetic field on the
axis at distance R as shown in the figure. [24 Jan 2023 Shift 1]

92. A solenoid of length 2m has 1200 turns, and carries a current
of 2 A. Find the magnetic field at the center of the solenoid
[25 Jan 2023 Shift 1]

93. A solenoid of length 2m has 1200 turns, and carries a current
of 2 A. Find the magnetic field at the center of the solenoid
[25 Jan 2023 Shift 1]
Ans: 48𝞹 × 10-5 T

94. Young’s Modulus

96. A force of 250 N is acting on a light spring having length of 100 m.
Area of cross section 6.25 × 10-4 m2. If the Young’s modulus for the
material of spring is 1010 N/m2, then the extension in the spring is N
mm. Find the value of N. [24 Jan 2023 Shift 1]

97. A force of 250 N is acting on a light spring having length of 100 m.
Area of cross section 6.25 × 10-4 m2. If the Young’s modulus for the
material of spring is 1010 N/m2, then the extension in the spring is N
mm. Find the value of N. [24 Jan 2023 Shift 1]
Ans : 4

98. Assertion (A) : Steel is used to build big structures.
Reason (R) : Steel has higher elastic modulus as compared
to other materials. [24 Jan 2023 Shift 2]
A
B
C
D
Both A and R are true and R is
the correct explanation of A
Both A and R are true but R is
not the correct explanation of A
A is true but R is false
Both A and R are false

99. Assertion (A) : Steel is used to build big structures.
Reason (R) : Steel has higher elastic modulus as compared
to other materials. [24 Jan 2023 Shift 2]
A
B
C
D
Both A and R are true and R is
the correct explanation of A
Both A and R are true but R is
not the correct explanation of A
A is true but R is false
Both A and R are false

100. Nuclear Density

102. Assuming masses of neutron and proton to be 1.67 × 10-27 kg
and radius of nucleus given by R = A1/3 R0, where R0 = 1.5 × 10-
15 (m). The ratio of nuclear density to density of water is
A
B
C
D
1.18 × 1014
2.36 × 1012
1.18 × 1017
2.36 × 1018

104. Assuming masses of neutron and proton to be 1.67 × 10-27 kg
and radius of nucleus given by R = A1/3 R0, where R0 = 1.5 × 10-
15 (m). The ratio of nuclear density to density of water is
A
B
C
D
1.18 × 1014
2.36 × 1012
1.18 × 1017
2.36 × 1018

105. Find the ratio of density of Helium nucleus to that of Calcium
nucleus. [25 Jan 2023 Shift 1]
A
B
C
D
1:1
2:1
4:1
1:32

106. Find the ratio of density of Helium nucleus to that of Calcium
nucleus. [25 Jan 2023 Shift 1]
A
B
C
D
1:1
2:1
4:1
1:32

107. If the half life of a radioactive material is 30 minutes. Find the
time taken for the decay of 75% of the material.
[25 Jan 2023 Shift 1]
A
B
C
D
60 min
15 min
75 min
90 min

108. If the half life of a radioactive material is 30 minutes. Find the
time taken for the decay of 75% of the material.
[25 Jan 2023 Shift 1]
A
B
C
D
60 min
15 min
75 min
90 min

109. Dual nature

118. Which statement is correct about photoelectric effect?
[24 Jan 2023 Shift 1]
A
B
C
D
Maximum KE depends on intensity of light
Stopping potential is dependant only on
work function of metal
Photoelectric effect can be explained by
wave nature of light
Photoelectric effect can be explained by
particle nature of light

119. Which statement is correct about photoelectric effect?
[24 Jan 2023 Shift 1]
A
B
C
D
Maximum KE depends on intensity of light
Stopping potential is dependant only on
work function of metal
Photoelectric effect can be explained by
wave nature of light
Photoelectric effect can be explained by
particle nature of light

120. Statement 1: stopping potential is independent of Intensity of light
Statement 2: Stopping potential depends on wavelength of light
[25 Jan 2023 Shift 2]
A
B
C
D
S1 : correct, S2 : false
S1 : false, S2 : false
S1 : correct, S2 : correct
S1 : false, S2 : correct

121. Statement 1: stopping potential is independent of Intensity of light
Statement 2: Stopping potential depends on wavelength of light
[25 Jan 2023 Shift 2]
A
B
C
D
S1 : correct, S2 : false
S1 : false, S2 : false
S1 : correct, S2 : correct
S1 : false, S2 : correct

123. Find the de-broglie wavelength when a charge is
accelerated through potential 2V, if it was λ0 when the charge
was accelerated through potential ‘V’. [25 Jan 2023 Shift 1]
A
B
C
D
λ0/2
2λ0

125. Find the de-broglie wavelength when a charge is
accelerated through potential 2V, if it was λ0 when the charge
was accelerated through potential ‘V’. [25 Jan 2023 Shift 1]
A
B
C
D
λ0/2
2λ0

126. LR Circuit

129. Find current at steady state. [24 Jan 2023 Shift 2]

130. Find current at steady state. [24 Jan 2023 Shift 2]
Ans : 3 A

131. Dimensions

132. Force
Work Function
Planck Constant
Coefficient of Viscosity
Pressure
Young's Modulus
Impulse
Self Induction
Angular Momentum

134. ● Force [ M1 L1 T-2 ]
● Work Function [ M1 L2 T-2 ]
● Planck Constant [ M1 L2 T-1 ]
● Coefficient of Viscosity [ M1 L-1 T-1 ]
● Pressure [ M1 L-1 T-2 ]
● Young's Modulus [ M1 L-1 T-2 ]
● Impulse [ M1 L1 T-1 ]
● Self Induction [ M1 L2 T-2A-2 ]
● Angular Momentum [ M1 L2 T-1 ]