The exit surface of a prism... | JEE Main 2026 | Geometrical

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JEE MAIN 2026

24-1-2026 S1

Question

The exit surface of a prism with refractive index $n$ is coated with a material having refractive index $\frac{n}{2}$. When this prism is set for minimum angle of deviation, it exactly meets the condition of critical angle. The prism angle is $\_\_\_\_$

Select the correct option:

A

60º

B

15º

C

30º

D

45º

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