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WB JEE 2018
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WB JEE 2018 Physics - Geometrical Optics Question 11 English
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 $$\sqrt 2 $$. Then, which of the following statement(s) is/are true?
A
The reflection at P is total internal.
B
The reflection at Q is total internal.
C
The ray emerging at R is parallel to the ray incident at S.
D
Total deviation of the ray is 150$$^\circ$$.
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