Study the following ray diagram:In this diagram

(C) p, y, z   

Explanation

Angle p is the angle of incidence as it is formed between the incident ray and the normal.

Angle y is the angle of emergence as it is formed between the emergent ray and the normal.

Angle z is the angle of deviation as it is formed between the emergent ray and the incident ray.

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Updated on: 10-Oct-2022

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