# Physical Optical Physics MCQs

## Physical Optical Physics MCQs

1. Who was proposed the wave nature of light:

A. Fresnel
B. Huygen
C. Thomas
D. Maxwell

A

2. A corpuscular theory was proposed by Newton on the basis of

A. Dispersion of white light
B. Newton’s rings
C. Rectilinear property of light
D. Planarization

C

3. How much time take light reaches from sun to earth is

A. 29 minutes
B. 5 minutes
C. 30 minutes
D. 15 minutes

D

4. Who was explained photo-electric effect

A. Rutherford
B. Planks
C. Hertz
D. Einstein
E. None of these

E

5. Where we used Huygen’s principle

A. Find the index of refraction
B. Explain polarization
C. Locate waveform
D. Speed of light

A

6. What happened when white light beam when passed through a prism

A. Dispersed
B. Polarized
C. Deviated
D. Diffracted

B

7. Which one of the following is correct when a ray of light enters glass from the air:

A. Frequency Increases
B. Wavelength increase
C. Frequency decrease
D. None of these

A

8. Why the color of the sky is blue…

A. Due to polarization
B. Due to scattering
C. Due to diffraction
D. Due to reflection

B

9. In the daytime, there will be light inside the room due to

A. It is due to refraction
B. It is due to interference
C. It is due to diffraction
D. It is due to polarization

C

10. How we define a polaroid:

A. It is an adjustable shutter
B. It is the device used in a polarimeter
C. It is used for analyzing polarised light
D. It is a light filter
E. All of the above

D

11. Which form of light reaches from the sun to earth:

A. Cylindrical wavefronts
B. Plane wavefronts
C. Circular wavefronts
D. None of these

A

12. Why we use beats to…

A. Find wavelength
B. Find frequency
C. Find displacement
D. Find intensity