Question

A ray monochromatic light is incident on the face of prism near vertex at an incident angle of (see figure). If the refractive index of the material of the prism is , which of the following is (are) correct?

32047
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This question has multiple correct options
A

The ray gets totally internally reflected at face CD

B

The ray comes out through face AD

C

The angle between the incident ray and the emergent ray is 90

D

The angle between the incident ray and the emergent ray is 120

Hard
JEE Advanced

Solution

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Correct options are A) , B) and C)

Using snell's law at surface AB, CD and AD

Net deviation is

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Solution to Question ID 32047
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