The refractive index of the material of a prism is cot(A/2), wher… | JEE Main 2024 Physics PYQ

MCQMediumJEE Main 2024 · 27 January, Shift 1Prisms & Total Internal Reflection

The refractive index of the material of a prism is $\cot\left(\frac{A}{2}\right)$ , where $A$ is the angle of the prism. The angle of minimum deviation $\delta_m$ is:

A
$\pi - 2A$
B
$\frac{\pi}{2} - 2A$
C
$\pi - A$
D
$\frac{\pi}{2} - A$

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