MHT CET 2024 Physics question
A ray of light is incident at on one face of a prism of angle and the emergent ray makes with the incident ray. The refractive index of the prism is
Answer: (A)
Solution
The angle between the emergent ray and the incident ray is the angle of deviation, . For a prism , so and the angle of emergence is , i.e. the ray emerges along the normal to the second face. Then and, since $ +
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