Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

The Brewster angle is the angle of

A. Incidence
B. Reflection
C. Refraction
D. Transmission
Answer» B. Reflection
2.

Find the ratio of refractive index of medium 2 to that of medium 1, when the Brewster angle is 60 degree.

A. 0.707
B. 1.5
C. 0.866
D. 1.732
Answer» E.
3.

Find the Brewster angle of a wave transmitted from a medium of permittivity 4 to a medium of permittivity 2.

A. 35.26
B. 53.62
C. 26.35
D. 62.53
Answer» B. 53.62
4.

FIND_THE_RATIO_OF_REFRACTIVE_INDEX_OF_MEDIUM_2_TO_THAT_OF_MEDIUM_1,_WHEN_THE_BREWSTER_ANGLE_IS_60_DEGREE.?$

A. 0.707
B. 1.5
C. 0.866
D. 1.732
Answer» E.
5.

The Brewster angle is the angle of$

A. Incidence
B. Reflection
C. Refraction
D. Transmission
Answer» B. Reflection
6.

Find the Brewster angle of a wave transmitted from a medium of permittivity 4 to a medium of permittivity 2?

A. 35.26
B. 53.62
C. 26.35
D. 62.53
Answer» B. 53.62
7.

An elliptically polarised wave transmitted at the Brewster angle will be received as an elliptically polarised wave. State True/False

A. True
B. False
Answer» C.
8.

A circularly polarised wave transmitted at the Brewster angle will be received as linearly polarised wave. State True/False

A. True
B. False
Answer» B. False
9.

The transmission coefficient of a wave propagating in the Brewster angle is

A. 0
B. 1
C. -1
D. Infinity
Answer» C. -1
10.

The reflection coefficient in the wave propagation when it is transmitted with the Brewster angle is

A. 0
B. 1
C. -1
D. Infinity
Answer» B. 1
11.

The refractive index of a material with permittivity 16 is given by

A. 16
B. 256
C. 4
D. 8
Answer» D. 8
12.

The Brewster angle is expressed as

A. Tan<sup>-1</sup>(n)
B. Tan<sup>-1</sup>(n1/n2)
C. Tan<sup>-1</sup>(n2/n1)
D. Tan (n)
Answer» D. Tan (n)
13.

Brewster angle is valid for which type of polarisation?

A. Perpendicular
B. Parallel
C. S polarised
D. P polarised
Answer» C. S polarised