Question

Solve this:
Q.15. A plot between the angle of deviation and angle of incidence is shown in figure. From the graph one can say that the prism angle is



(1) 47 °
(2) 46 °
(3) 45 °
(4) 60 °

Answer 1

The angle of the prism is 46°.

Explanation:

Angle of prism(A) =i+e−δ

From the graph we can sat that:

i = 38°

e = 58°

δ = 50°

A = 38° + 58° − 50°

A= 46°

Hence the angle of the prism is 46°.

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