A ray of light travelling inside a rectangular glass block of refracti – McqOptions

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1.	A ray of light travelling inside a rectangular glass block of refractive index 2 is incident on the glass air surface at an angle of incidence of 45 . The refractive index of air is 1. The ray will
A.	Emerge into air without any deviation
B.	Be reflected back in to glass
C.	Be absorbed
D.	Emerged in to air with an angle of refraction equal to 90
Answer» E.

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