The refractive index of the material of a glass prism is 3 . The angle of minimum deviation is equal to the angle of the prism. What is the angle of the prism?

Question

The refractive index of the material of a glass prism is 3 ​ . The angle of minimum deviation is equal to the angle of the prism. What is the angle of the prism?

TestHub · Accepted Answer

μ = s i n 2 A ​ s i n ( 2 A + δ m i n ​ ​ ) ​ Given δ m i n ​ = A ​ 3 ​ = sin 2 A ​ sin A ​ = sin 2 A ​ 2 sin 2 A ​ cos 2 A ​ ​ cos 2 A ​ = 2 3 ​ ​ A = 6 0 ∘ ​

Physics - Geometrical Optics Question with Solution | TestHub

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