If the critical angle for total internal reflection from a medium to vacuum is 30°, the velocity of light in the medium is - VgyanHub

Question:

If the critical angle for total internal reflection from a medium to vacuum is 30°, the velocity of light in the medium is

Options :

(a) 3x10^8 m/s
(b) 1.5x10^8 m/s
(c) 6x10^8 m/s
(d) √'3x10^8 m/s

Answer :

(b) 1.5×10⁸ m/s

Answer Steps :

step 1

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