The refractive index of a material of a prism of angles 45° ▬ 45° ▬ 90° is 1.5. The path of the ray of light incident normally on the hypotenuse side is shown in
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a
b
c
d
answer is A.
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Detailed Solution
According to given conditions TIR must take place at both the surfaces AB and AC. Hence only option (a) is correct.