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WBJEE 2018 Physics Solved Paper

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Question : 39

Total: 39

A ray of light is incident on a right angled isosceles prism parallel to its base as shown in the figure. Refractive index of the material of the prism is √2 . Then which of the following statement(s) is/are true?

The reflection at P is total internal.
The reflection at Q is total internal.
The ray emerging at R is parallel to the ray incident at S.
Total deviation of the ray is 150°.

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