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A right-angled prism is made up of a mat...

A right-angled prism is made up of a material of refractive index `mu`. It is desired that a light ray incident normally on PQ emerges parallel to the incident direction after suffering two total internal reflections . In which of the following conditions is this possible ?

A

`mu=sqrt(2)`

B

`mu=2//sqrt(3)`

C

`mu=1.3`

D

Nove possible

Text Solution

Verified by Experts

The correct Answer is:
A, D
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