or a prism of refractive index 
, the angle of the prism is equal to the angle of minimum deviation. The value of the angle of the prism is–
Text Solution
Verified by ExpertsThe correct answer is:
A
δ = A
= 
⇒ cos 
= 
⇒ 
= 30º ⇒ A = 2 × 30 = 60º
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