Top 50 Physics Questions For SSC Exam PDF (GD, CGL, CHSL, JE, CPO, MTS)
Download SSC Physics questions with answers PDF based on previous papers very useful for SSC GD, CGL, CHSL, JE, Stenographer, MTS, CPO, JE exams. 50 Very important Physics objective questions (MCQ’s) for SSC exams.
TOP 50 PHYSICS QUESTIONS FOR SSC EXAM PDF
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Question 1: The working of quartz crystal in the watch is based on which effect?
a) Johnson effect
b) Photoelectric effect
c) Edison effect
d) Piezoelectric effect
Question 2: A cannon ball is fired. The motion of this ball is an example of ______.
a) Straight line motion
b) projectile motion
c) Hyperbolic motion
d) horizontal motion
Question 3: The work done by centripetal force is …………..
a) positive
b) zero
c) negative
d) unity
Question 4: If a body slides over a surface, the force resisting the motion between them is called ………….
a) Centripetal force
b) Friction
c) Centrifugal force
d) Inertia
Question 5: What is measured with the Nephometer?
a) volume of rainfall
b) Cloud volume and speed
c) Salinity of Sea
d) All options are correct.
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Question 6: An example of longitudinal waves (in gas as a medium) is ……………
a) heat waves
b) radio waves
c) electromagnetic waves
d) sound waves
Question 7: Which law states that the induced e.m.f. is directly proportional to the rate of change of magnetic flux linkage or rate of cutting of magnetic flux linkage?
a) Lenz’s Law
b) Hooke’s Law
c) Ohm’s Law
d) Faraday’s Law
Question 8: Density of water is maximum at which temperature?
a) 12 degree Celsius
b) 8 degree Celsius
c) 4 degree Celsius
d) 0 degree Celsius
Question 9: The ratio of the total distance travelled by a body to the total time taken by it is its
__________________.
a) instantaneous velocity
b) linear velocity
c) average speed
d) acceleration
Question 10: If the vector sum of torques acting on a system is zero, then the object is in ……………
a) static equilibrium
b) translatory equilibrium
c) linear equilibrium
d) rotational equilibrium
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Question 11: Electric Motor converts _____ energy to mechanical energy
a) sound
b) mechanical
c) chemical
d) electrical
Question 12: Which determines the pitch of a sound?
a) Amplitude
b) Frequency
c) Loudness
d) Wavelength
Question 13: In the equation of motion 2as = v2 – u2, s represents _________________.
a) speed
b) displacement
c) velocity
d) acceleration
Question 14: – During __________ motion of an object along a straight line, the change in velocity of the object for any time interval is zero.
a) linear
b) translational
c) equilibrium
d) uniform
Question 15: In the equation of motion v = u + at, u represents _________________.
a) initial velocity
b) final velocity
c) kinetic energy
d) potential energy
Question 16: Weight (W) of a body is derived from which formula ?
a) W=mv
b) W=mf
c) W=ms
d) W=mg
Question 17: In which motion of a body its velocity varies with time?
a) uniform
b) linear
c) equilibrium
d) non-uniform
Question 18: For what is Mohs scale used?
a) To measure brightness of a substance
b) To measure viscosity of a liquid
c) To measure elasticity of a material
d) To measure hardness of minerals
Question 19: ……………… is same on every point on a rotating body.
a) Linear velocity
b) Linear momentum
c) Angular torque
d) Angular velocity
Question 20: Intensity of any wave is proportional to which quantity?
a) amplitude
b) Square of amplitude
c) Square root of amplitude
d) Cube of amplitude
Question 21: Which law states that the total current entering a junction is equal to the total current leaving the junction?
a) Lenz’s Law
b) Hooke’s Law
c) Ohm’s Law
d) Kirchhoff’s First Law
Question 22: Why does a big fire in the open appear to be fanned by strong winds ?
a) Because of constant circulation of wind over the fire
b) Because of dust particles carried out by the Wind
c) Because the surrounding particles heated air rises and cool air rushes in to create a fanning feect
d) NOne of these
Question 23: The apparent weight of a person in a lift which is moving down with uniform acceleration is ………….
a) greater than the weight when the person is stationary
b) twice the weight when the person is stationary
c) less than the weight when the person is stationary
d) same as the weight when the person is stationary
Question 24: The complete form of ‘IC’ in electronics is
a) Internal circuit
b) Independent circuit
c) Integrated circuit
d) Inbuilt circuit
Question 25: Who established the foundations of the Quantum theory?
a) Max Planck
b) Mark Nicholas
c) Albert Einstein
d) Alfred Hitchcock
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Question 26: Sudden fall in the barometric reading is an indication of _______.
a) Storm
b) Scorching heat
c) Rain
d) Clear weather
Question 27: Where do the electrical charges reside in a charged conductor?
a) at the core
b) throughout the body
c) depended upon the nature of the body
d) outer surface of the body
Question 28: Spring tides occur when ______.
a) the moon, the sun and the earth are in the same line
b) the sun is closest to earth
c) the moon is farthest from earth
d) the earth is at right angles with the sun and the moon
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Question 29: The point where total mass of a body is supposed to be concentrated is known as
a) Dead centre
b) Centre of mass
c) Centre of gravity
d) Centre of motion
Question 30: Why does a fountain pen leak in aeroplane flying at a height?
a) Because of reduced viscosity of the ink in the pen
b) Because of increased viscosity of the ink in the pen
c) Because of higher atmospheric pressure outside the pen
d) Because of lower atmospheric pressure outside the pen
Question 31: What is the angle between centripetal acceleration and tangential acceleration?
a) 90°
b) 45°
c) 0°
d) 180°
Question 32: It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?
a) Law of inertia
b) Newton’s second law
c) Newton’s third law
d) Pascal’s law
Question 33: If a force acts upon two objects at rest, and having different masses for the same amount of time, then which will be the same for both the objects?
a) Acceleration
b) Kinetic Energy
c) Velocity
d) Momentum
Question 34: Which law states that the ratio of the potential difference across a conductor to the current flowing through it, is a constant, provided that its physical conditions, such as temperature, remain constant ?
a) Lenz’s Law
b) Hooke’s Law
c) Ohm’s Law
d) The coulomb’s law
Question 35: Cryogenics is a branch of Physics that deal with ……………
a) very high temperatures
b) very low temperatures
c) growth of extremely small crystals
d) growth of extremely large crystals
Question 36: …………….. refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.
a) Interference
b) Rectification
c) Intensity
d) Diffraction
Question 37: Motion of a train is an example of which kind of motion?
a) Rotatory motion
b) Spin motion
c) Projectile motion
d) Translatory motion
Question 38: Sound can not travel in which medium?
a) Solid
b) Liquid
c) Gas
d) Vacuum
Question 39: Rate of change of momentum is
a) Area
b) Pressure
c) Force
d) Velocity
Question 40: What is the direction of torque?
a) Perpendicular to the direction of applied force
b) Same as the direction of applied force
c) Opposite to the direction of applied force
d) Parallel to the radius
Question 41: Which mirror is used in the headlights of cars?
a) Semi-circular
b) Conical
c) Convex
d) Concave
Question 42: What is the value of acceleration due to gravity at the centre of earth?
a) 1
b) 0
c) 1
d) Infinity
Question 43: What does the slope of a velocity time graph represent?
a) Acceleration
b) Distance
c) Speed
d) Momentum
Question 44: Which law states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system?
a) First law of thermodynamics
b) Hooke’s Law
c) The coulomb’s law
d) Faraday’s Law
Question 45: The velocity of heat radiation in vacuum is?
a) Equal to the light
b) Less than that of light
c) Greater than that of light
d) Equal to that of sound
Question 46: The energy emitted by the Sun is due to the ?
a) Chemical Reaction
b) Nuclear Fission
c) Nuclear Fusion
d) All the above
Question 47: Magnetic Equator is closely associated with
a) Natural calamities
b) Fishing ground
c) Tidal current
d) Satellite launching
Question 48: The dimension of which quantity is the same as that of impulse?
a) Volume
b) Momentum
c) Torque
d) Change in the rate of Momentum
Question 49: Boyle’s Law holds good for any gas at?
a) High temperature and low pressures
b) High temperature and high pressures
c) Low temperature and high pressures
d) low temperature and low pressures
Question 50: What is inertia?
a) Tendency to resist change in the current state
b) Tendency to impart acceleration to a body
c) Tendency to bring a body to rest
d) Tendency to change its current state
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Answers & Solutions:
1) Answer (D)
2) Answer (B)
3) Answer (B)
4) Answer (B)
5) Answer (B)
6) Answer (D)
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11) Answer (D)
12) Answer (B)
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14) Answer (D)
15) Answer (A)
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18) Answer (D)
19) Answer (D)
20) Answer (B)
21) Answer (D)
22) Answer (C)
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25) Answer (A)
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27) Answer (D)
28) Answer (A)
29) Answer (B)
30) Answer (D)
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32) Answer (C)
33) Answer (D)
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35) Answer (B)
36) Answer (A)
37) Answer (D)
38) Answer (D)
39) Answer (C)
40) Answer (A)
41) Answer (D)
42) Answer (B)
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46) Answer (C)
47) Answer (D)
48) Answer (B)
49) Answer (C)
50) Answer (A)
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