Physics miscellaneousHard

Question

The speed of light in medium whose critical angle is 45^o.

Options

A.2.0 × 10⁸ m/s

B.2.1 × 10⁸ m/s

C.2.4 × 10⁸ m/s

D.2.5 × 10⁸ m/s

Solution

n =
= √2
∴ v = 2.1 ≠ 10⁸ m/s

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