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If critical angle for a material to air passage is 30°, the refractive index

If critical angle for a material to air passage is 30°, the refractive index of the material will be

Options

(a) 1
(b) 1.5
(c) 2
(d) 2.5

Correct Answer:

2

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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