Question

12.A ray of light incident on an equilateral prism at grazing incidence emerges from the
prism at grazing emergence. Refractive index of the prism is
(a) 1.5
(b) 1.8
(c) 1.33
(d)2​

Answer 1

Answer:

1.5

Explanation:

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Answer 2

Answer:

option (d) that is 2 is the correct answer.

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