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Questions  

A ray incident a 15° on one refracting surface of a prism of angle 60°, suffers a deviation of 55°. What is the angle of emergence

a
95∘
b
45∘
c
30∘
d
100°

detailed solution

Correct option is D

Usingδ=i1+i2−A⇒55=15+i2−60⇒i2=100∘

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