Geometrical OpticsHard
Question
A ray OP of monochromatic light is incident on the face AB of prismABCD near vertex B at an incident angle of 60o (see figure). If therefractive index of the material of the prism is √3, which of thefollowing is (are) 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
Solution
Using snell′s law
sin-1
< sin-1 
Net deviation is 90o
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