Physics Multiple Choices Questions

Physics Multiple Choices Questions

1. Due to the relative motion of observer and frame of reference time is …
A. Constant
B. Uniform
C. Contracts
D. Dilates
E. None of these

 

Answer - Click Here:
B

2. Rest mass energy of an electron is …
A. 1.02 MeV
B. 0.422 KeV
C. 2.02 MeV
D. 0.511 MeV
E. None of these

 

Answer - Click Here:
D

3. According to the theory of relative mass of an object is …
A. depends on particles
B. volume of an object
C. speed of light
D. area of an object
E. None of these

 

Answer - Click Here:
C

4. Which phenomenon is best explained by the particle nature of light?
A. The photoelectric effect
B. Polarization
C. The Doppler Effect
D. Interference
E. None of these

 

Answer - Click Here:
A

5. Which color of light has the greatest energy per photon?
A. violet
B. green
C. blue
D. both A & B
E. None of these

 

Answer - Click Here:
A

6. An infinite mass would require an infinite_________ to accelerate it.
A. Energy
B. Light
C. Power
D. Force
E. None of these

 

Answer - Click Here:
D

7. The Compton effect confirms:
A. Wave nature of light
B. Dual nature of
C. Particular nature
D. Both A & C
E. None of these

 

Answer - Click Here:
C

8. Elementary particles are the basic building blocks for which of the followings?
A. Solids
B. Liquids
C. Gases
D. Matter
E. None of these

 

Answer - Click Here:
D

9. At constant pressure, the graph between V and T is?
A. Straight line
B. Parabola
C. Hyperbola
D. Ellipse
E. None of these

 

Answer - Click Here:
A

10. An isothermal process is carried out at constant …?
A. Energy
B. Volume
C. Temperature
D. Pressure
E. None of these

 

Answer - Click Here:
C

11. The polarization of light shows that light waves are …… in nature.
A. Traverse
B. Longitudinal
C. None of these
D. Both A & B
E. None of these

 

Answer - Click Here:
A

12. Bend of light rays or image in a denser medium is commonly called …?
A. Refraction
B. Reflection
C. Transpiration
D. Operation
E. None of these

 

Answer - Click Here:
A