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The refractive index of a prism with apex angle A is \(\cot \frac{A}{2}\). The angle of minimum deviation is : [JEE Main…

Q1

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

[JEE Main 2024, 31 Jan (Shift 1)]

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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