# Physics objective questions

Important physics questions and answers based on multiple choice options ( mcq )

So here in this article we are providing a common physics mcq questions which are listed below .

1. Velocity is defined as –

A. Position decided by time

B. Rate of change of position with time
C.  Rate of change of acceleration with time
D. None of these

2. Acceleration is defined as –

A. Rate of change of velocity with time

B. Speed divided by time
C. Rate of change of position with time
D. None of these

3. Which of the following is a scalar quantity –

A. Velocity

B. Speed
C. Displacement
D. None of these

4. Which one is a vector quantity –

A. Mass

B. Density
C. Speed
D. None of these

5. A force of 1 Newton is equivalent to  –

A. 1 kg . m / s

B. 1 kg . m / s^2

C. 1 kg / s

D. None of these

6. Acceleration is always in the direction –

A. Of the initial value

B. Of the final value
C. Of the net force
D. None of these

7. A watt second is a unit of –

A. Energy

B. Power
C. Force
D. None of these

8. A kilowatt hour is a unit of –

A. Power

B. Work
C. Force / distance
D. None of these

9. The center of mass of a uniform disk of radius R is located –

A. a distance of R / 2  from the center

B. a distance of R / 3 from the center
C. at the centre
D. None of these

10. The center of mass of earth’s atmosphere is –

A. Near the surface of earth

B. Near the center of earth
C. Near the outer of the boundary of the atmosphere
D. None of these

11. What is the symbol of momentum –

A. T

B. J
C. P
D. None of these

12. The momentum of an object at a given instant is independent of its –

A. Speed

B. Mass
C. Acceleration
D. None of these

13. a radian is equal to –

A. 37°

B. 45°

C. 57°

D. 65 °

14. A net torque applied to a rigid object always tends to produce –

A. Rotational inertia

B. angular acceleration
C. Linear acceleration
D. None of these

15. The mass of an object –

A. Can be measured directly and accurately  on a spring scale .

B. Is a vector

C. Is the same for all objects of the same size and shape .

D. Is independent of the acceleration due to gravity .

16. Bernoulli’s equation can be derived  from the conservation of –

A. Mass

B. Volume
C. Energy
D. None of these

17. For a given medium , the frequency of a wave is –

A. Proportional to wavelength

B. Independent of wavelength
C. Proportional to the amplitude
D. Inversely proportional to wavelength

18. speed of sound wave is determined by –

A. Its intensity

B. Its amplitude
C. The transmitting medium
D. None of these

19. Room temperature is about 20 degrees on the –

A. Fahrenheit scale

B. Kelvin scale
C. Celsius scale
D. None of these