Question

Calculate the speed of light in air when the refractive index of water is 1.33

Answer 1

Answer:

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.