Explore topic-wise MCQs in Engineering Physics.

This section includes 9 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.

In polariscope, if the two prisms are crossed, what would be the intensity of the transmitted polarized beam?

A. I<sub>o</sub>
B. 2 I<sub>o</sub>
C. 1/2 I<sub>o</sub>
D. 0
Answer» E.
Discussion
2.

What should be the maximum angle between the extreme rays of the incident beam for the Nicol prism to work perfectly as a polarizer?

A. 25
B. 28
C. 34
D. 43
Answer» C. 34
Discussion
3.

Nicol Prism can act as a polarizer as well as an analyzer.

A. True
B. False
Answer» B. False
Discussion
4.

The prism does not act as a polarizer when _____________

A. The angle of incidence is less than the critical angle for the O-ray
B. The angle of incidence is greater than the critical angle for the O-ray
C. The angle of incidence is less than the critical angle for the E-ray
D. The angle of incidence is greater than the critical angle for the E-ray
Answer» B. The angle of incidence is greater than the critical angle for the O-ray
Discussion
5.

The critical angle for O-ray with respect to Canada balsam is ___________

A. 45.7
B. 57
C. 59
D. 69
Answer» E.
Discussion
6.

For E-ray, the Canada balsam layer is optically rarer.

A. True
B. False
Answer» C.
Discussion
7.

In the Nicol Prism experiment, the calcite crystal length is x times its breadth. What is x?

A. 2
B. 3
C. 1/2
D. 1/3
Answer» C. 1/2
Discussion
8.

In the O-ray is eliminated by ____________

A. Refraction
B. Total internal reflection
C. Dispersion
D. Transmission
Answer» C. Dispersion
Discussion
9.

The working of Nicole prism is based on the phenomenon of ____________

A. Refraction
B. Reflection
C. Diffraction
D. Double Refraction
Answer» E.
Discussion