Question

What is the speed of light in water if refractive index of water is 1.33​

Answer 1

Refractive index = Speed of light in vaccum / Speed of light in water. It is denotes as n = c / v, v = c / n= 3 × 10^8 m/s / (1.33) = 2.25 × 10^8 m/s.

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