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Question

Question: A ray of light is incident normally on one face of an equilateral prism of refractive index 1.5. The...

A ray of light is incident normally on one face of an equilateral prism of refractive index 1.5. The angle of deviation is –

A

300

B

450

C

600

D

750

Answer

600

Explanation

Solution

Total internal reflection occurs at the second surface.