When an unpolarized light falls at a particular angle on a glass plate (placed in air), it is observed that the reflected beam is linearly polarized. The angle of refracted beam with respect to the normal is ___________ .
\(\left(\tan ^{-1}(1.52)=57.7^{\circ}\right.\), refractive indices of air and glass are 1.00 and 1.52 , respectively)

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Answer & Solution

Correct Answer

(B) 32.3\(^{\circ}\)

Detailed explanation

\(\tan i=\frac{\mu_2}{\mu_1}=\frac{\mu_{ g }}{\mu_{ a }}\)
\(\tan i =1.52\)
\(i =57.7^{\circ}\)
\(r =90^{\circ}- i\)
\(r =32.3^{\circ}\)

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