Velocity of light in glass is 2×108 ms−1 and in air is 3×108 ms− – InterviewSolution

1.	Velocity of light in glass is 2×108 ms−1 and in air is 3×108 ms−1. If the ray passes through glass to air, calculate the value of critical angle.
Answer» Velocity of light in glass is $2 \times 10^{8} m s^{- 1}$ and in air is $3 \times 10^{8} m s^{- 1}$ . If the ray passes through glass to air, calculate the value of critical angle.

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