JEE Main 2024 Physics question

The refractive index of a prism with apex angle A is cot(A/2). The angle of minimum deviation is :

Answer: (B)

Solution

μ = sin((A + δ_m)/2)/sin(A/2) = cot(A/2) = cos(A/2)/sin(A/2), so sin((A +

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Question ID VK-017384