Answer to Question #38971 in Optics for Preet

Question #38971

For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be made of a material whose refractive index
(1) Lies between 2^1/2 and 1
(2) Lies between 2 and 2^1/2
(3) Is less than 1
(4) Is greater than 2

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