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In the following ray diagram the correctly marked angle are:
Br(a)
(b)
(c)
(d) Ðr , ÐA and ÐD
Explanation
The correct marked angles are: angle of refraction $(\angle r)$, apical angle $(\angle A)$, and angle of deviation $(\angle d)$.
The angle between the normal and the incident ray is the angle of incidence $(\angle i)$.
The angle between the normal and the emergent ray is the angle of emergence $(\angle e)$.
The correctly marked angles are shown in the diagram given below:
Updated on: 10-Oct-2022
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