Unpolarized light is incident on a polaroid of refractive index 1.2. W – McqOptions

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1.	Unpolarized light is incident on a polaroid of refractive index 1.2. What should be the angle of incidence such that the reflected and refracted rays are perpendicular to each other?
A.	50.19
B.	55.23
C.	57.45
D.	60.89
Answer» B. 55.23

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