Explore topic-wise MCQs in Engineering Physics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

For the production of elliptically polarized light, we need __________

A. Two unpolarized light waves
B. One polarized and one unpolarized light waves
C. Two polarized light waves with same amplitude
D. Two polarized light waves with different amplitude
Answer» E.
2.

A beam of light is incident on a rotating prism. If the intensity of the light changes from a maximum to a minimum (not zero), what is the nature of the incident beam?

A. Unpolarized
B. Plane Polarized
C. Circularly Polarized
D. Elliptically Polarized
Answer» E.
3.

When a circularly polarized light falls on a quarter wave plate, it changes into a __________

A. Unpolarized light
B. Elliptically Polarized Light
C. Plane Polarized light
D. No change
Answer» D. No change
4.

A beam of light is allowed to fall on a Nicol Prism. The prism is rotated. If the light gets completely extinguished twice in one rotation, the nature of the light is __________

A. Unpolarized
B. Plane Polarized
C. Circularly Polarized
D. Elliptically Polarized
Answer» C. Circularly Polarized
5.

If the phase difference between two rays is /2 and the angle of incidence is not equal to /4, the emergent light is ____________

A. Linearly Polarized
B. Elliptically Polarized
C. Circularly Polarized
D. Non-Polarized
Answer» C. Circularly Polarized
6.

Which of the following component is not used during the production of circularly polarized light?

A. Nicol Prism
B. Quarter-wave plate
C. Half-wave plate
D. Light source
Answer» D. Light source
7.

What should be the phase difference between the two plane-polarized waves, vibrating at right angles to each other, to produce circularly polarized light?

A. /6
B. /2
C. /4
D. /3
Answer» C. /4
8.

By using Nicol prism, the emergent beam is ____________

A. Plane polarized
B. Elliptically Polarized
C. Circularly polarized
D. Unpolarized
Answer» B. Elliptically Polarized