A ray of light incident at an angle θ on a refracting face of a prism – InterviewSolution

1.	A ray of light incident at an angle θ on a refracting face of a prism emerges from the other face normally. If the angle of the prism is 5° and the prism is made of a material of refractive index 1.5, the angle of incidence is (a) 7.5°. (b) 5°. (c) 15°. (d) 2.5°.
Answer» the angle of incidence is 2.5°.

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