The angle of prism is 60° and angle of deviation is 30°. In the position of minimum deviation,
The angle of prism is 60° and angle of deviation is 30°. In the position of minimum deviation, the values of angle of incidence and angle of emergence are:
(a) i = 45°; e = 50° (b) i = 30°; e = 45°
(c) i = 45°; e = 45° (d) i = 30°; e = 30°
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