The refractive index of a prism with apex angle A is cot(A/2). Th… | JEE Main 2024 Physics PYQ | Jeeify

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MCQEasyJEE Main 2024 · 31 January, Shift 1Prisms & Total Internal Reflection

The refractive index of a prism with apex angle $A$ is $\cot\left(\frac{A}{2}\right)$ . The angle of minimum deviation is:

A
$\delta_m = 180^\circ - A$
B
$\delta_m = 180^\circ - 3A$
C
$\delta_m = 180^\circ - 4A$
D
$\delta_m = 180^\circ - 2A$

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