A prism has a refracting angle 60º. A ray of given monochromatic light suffers minimum deviation of 38° in passing through prism refractive index of the material of the prism is :
Text Solution
Verified by ExpertsThe correct answer is:
A
Here : Refracting angle A = 60°,
minimum deviation δ m = 38°.
The refractive index is given by the formula
μ = 
= 
= 
= 
= 1.5094
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