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A ray of light strikes a transparent rectangular slab (of refractive index ) at an angle of incidence of . The angle between the reflected and refracted rays is

a)

75

b)

90

c)

105

d)

120


Question ID - 152977 | Toppr Answer

A ray of light strikes a transparent rectangular slab (of refractive index ) at an angle of incidence of . The angle between the reflected and refracted rays is

a)

75

b)

90

c)

105

d)

120

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(c)

Here,

Applying Snell’s law at air-glass surface, we get

From figure,

Hence, the angle between reflected and refracted rays is



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