Physics MCQ

Physics MCQ

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  • 10th Jul, 2021

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Practice below the best Physics MCQ Questions that checks your basic knowledge of Physics abilities. This Physics MCQ Test contains 25+ Physics Multiple Choice Questions. You have to select the right answer to every question to check your final preparation for Physics MCQ Exams. apart from this, you can also download below the Physics MCQ PDF completely free.

Physics MCQ Questions

1) National Physical laboratory located In which city ?

  • A. New Delhi
  • B.Pune
  • C.Mumbai
  • D.Chennai

2) Which statement is correct regarding velocity and speed of a moving body?

  • A. Speed of a moving body is its velocity in a given direction
  • B.Velocity of a moving body is its speed in a given direction
  • C.Velocity of a moving body is always higher than its speed
  • D.Speed of a moving body is always higher than its velocity

3) The numerical ratio of displacement to distance for a moving object is

  • A. Always more than 1
  • B.Always less than 1
  • C.Equal to 1 or less than 1
  • D.Equal to 1 or more than one

4) The following leads to the law of conservation of energy is

  • A. Isotropy
  • B.Gravity
  • C.Nuclear force
  • D.Homogeneity of time

5) The SI unit of luminous intensity is -

  • A. Radian
  • B.Sterdian
  • C.Mole
  • D.Candela
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6) Sterdian is the SI unit of _____________ .

  • A. Luminous intensity
  • B.Phase angle
  • C.Solid angle
  • D.Mass

7) Which of the following is a polar Vector?

  • A. Gives the position of an object
  • B.Has a starting point of application
  • C.Represents rotational effect
  • D.Tells how much and in which direction an object has changed its position

8) _________________has zero magnitude.

  • A. Zero vector
  • B.Fixed vector
  • C.Unit vector
  • D.Modulus of a vector

9) Which of the following is not a conservative force?

  • A. Elastic force
  • B.Gravitational force
  • C.Electrostatic force
  • D.Force of friction

10) The mechanical energy of a system is always conserved. True or False?

  • A. False
  • B.True

11) If the length of a simple pendulum is increased by 2%, then the time period ___________

  • A. Decreases by 1%
  • B.Increases by 1%
  • C.Increases by 2%
  • D.Decreases by 2%

12) When a rope is pulled on either side, what is the stress acting on it?

  • A. Tensile stress
  • B.Compressive stress
  • C.Normal stress
  • D.Tangential stress

13) The effect of hammering on elasticity of materials is -

  • A. Decreases the elasticity
  • B.Has no effect on elasticity
  • C.Increases the elasticity
  • D.Breaks the material

14) When a moving bus suddenly stops, a person sitting ___________.

  • A. Falls forward
  • B.Stands up
  • C.Falls backward
  • D.Is unaffected

15) The Wien’s displacement law expresses a relation between -

  • A. Radiated energy and wavelength
  • B.Colour of light and emissive power
  • C.Temperature and emissive power
  • D.Wavelength corresponding to maximum energy and absolute temperature

16) A bullet fired from a gun can pierce a target due to its -

  • A. Mechanical energy
  • B.Kinetic energy
  • C.Acceleration
  • D.Heat energy

17) A satellite revolves very near to the earth surface. Its speed should be around?

  • A. 8km/s
  • B.5km/s
  • C.2km/s
  • D.11km/s

18) The ratio of velocity of sound in hydrogen and oxygen at STP is __________.

  • A. 16:1
  • B.4:1
  • C.8:1
  • D.2:1

19) The roof of buildings painted white, because -

  • A. It reflect radiations
  • B.It absorbs radiation
  • C.It is cheaper
  • D.It conducts heat

20) When a material is heated then what happens?

  • A. It contracts
  • B.It expands
  • C.It melts
  • D.It bursts

21) The temperature of a body can be negative on the Kelvin scale. True or False?

  • A. True
  • B.False

22) _____________ is an effective coolant.

  • A. Mercury
  • B.Oil
  • C.Water
  • D.Acids

23) Which of the following is a simple harmonic motion?

  • A. Particle moving in a circle with uniform speed
  • B.Earth spinning about its axis
  • C.Wave moving through a string fixed at both ends
  • D.Ball bouncing between two vertical walls

24) Two waves are propagating with the same amplitude and nearly same frequency in opposite direction, they result in -

  • A. Stationary wave
  • B.Beats
  • C.Resonance
  • D.Wave packet

25) Heat capacity of a substance is infinite. It means ___________

  • A. Heat is taken out
  • B.Heat is given out
  • C.No change in temperature
  • D.Heat is first given out and then taken out

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