Explore topic-wise MCQs in Engineering Physics.

This section includes 10 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. Io
B. 2 Io
C. 1/2 Io
D. 0
Answer» E.
Discussion
2.

The combination as shown in the figure is called as _____________

A. Polarimeter
B. Polaroid
C. Polariscope
D. Polarizer and Analyzer
Answer» D. Polarizer and Analyzer
Discussion
3.

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
4.

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

A. True
B. False
Answer» B. False
Discussion
5.

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
6.

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

A. 45.7°
B. 57°
C. 59°
D. 69°
Answer» E.
Discussion
7.

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

A. True
B. False
Answer» C.
Discussion
8.

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
9.

In the O-ray is eliminated by ____________

A. Refraction
B. Total internal reflection
C. Dispersion
D. Transmission
Answer» C. Dispersion
Discussion
10.

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

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