A ray OP monochromatic light is incident on the face AB of prism ABCD near vertex B at an incident angle of 60o (see figure). If the refractive index of the material of the prism is 3, which of the following is (are) correct?
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 90o
D
The angle between the incident ray and the emergent ray is 120o
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Updated on : 2022-09-05
Solution
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Correct options are A) , B) and C)
Using snell's law at surface AB, CD and AD sin−131<sin−121 Net deviation is 90o
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