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Question

Question: If the refracting angle of a prism is 60<sup>0</sup> and minimum deviation is 30ŗ, the angle of inci...

If the refracting angle of a prism is 600 and minimum deviation is 30ŗ, the angle of incidence is-

A

300

B

450

C

600

D

900

Answer

450

Explanation

Solution

i = = 30+602\frac { 30 ^ { \circ } + 60 ^ { \circ } } { 2 }= 450