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The Brewster angle is expressed as

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in Electromagnetic Theory by (188k points)
The Brewster angle is expressed as

(a) Tan^-1(n)

(b) Tan^-1(n1/n2)

(c) Tan^-1(n2/n1)

(d) Tan (n)

I got this question in an interview for internship.

Query is from Brewster Angle in section EM Wave Propagation of Electromagnetic Theory

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Best answer
Right option is (c) Tan^-1(n2/n1)

Explanation: The tangent of the Brewster angle is the ratio of the refractive indices of the second medium to that of the first medium. It is given by tan θb= n2/n1. Thus the Brewster angle will be θb = tan^-1(n2/n1).

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