A ray OP of monochromatic light is incident on the face AB of prism ABCD near vertex B at an incident angle of $60^{0}$ (see figure). If the refractive index of the material of the prism is $\sqrt{3}$ , which of the following is (are) correct ?

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The angle between the incident ray and the emergent ray is $120^{0}$

The ray comes out through face AD

The angle Between the incident ray and the emergent ray is $90^{0}$

The ray gets totally internally reflected at face CD

answer is A, B, C.

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Detailed Solution

Using Snell’s law $\sin^{- 1} \frac{1}{\sqrt{3}} < \sin^{- 1} \frac{1}{\sqrt{2}}$
Net deviation is $90^{0}$

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