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Question 19

A plane polarized blue light ray is incident on a prism such that there is no reflection from the surface of the prism. The angle of deviation of the emergent ray is $$\delta = 60^\circ$$ (see Figure-1). The angle of minimum deviation for red light from the same prism is $$\delta_{min} = 30^\circ$$ (see Figure-2). The refractive index of the prism material for blue light is $$\sqrt{3}$$. Which of the following statement(s) is(are) correct?

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