A ray of light is incident on a transparent glass slab of refractive i – McqOptions

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1.	A ray of light is incident on a transparent glass slab of refractive index 1.62. The reflected and the refracted rays are mutually perpendicular. The angle of incidence is [MP PET 2002]
A.	58.3o
B.	50o
C.	35o
D.	30o
Answer» B. 50o

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