Question

Relative refractive index of water with respect to glass is 0.88. If the speed of light in glass is 200000 km/s. Find the speed of light in water.​

Answer 1

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Answer 2

Answer:

The speed of light in a medium of refractive index is

, where speed of light in air.

Since the speed of light in glass is , the speed of light in air is

.

So the speed of light in water