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प्रश्न
Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
उत्तर
Angle p is the angle of incidence since this angle 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.
and angle z is the angle of deviation as it is formed between the emergent ray and the incident ray.
Hence, the correct answer is p, y, z
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