Question

Light enter from air to diamond which has a refractive index of2.42.calculate the speed of light in diamond.the speed of light in air is 3×10 to the power 8 m/s.

Answer 1

Refrective index of diamond = c / v

》2.42 = 3 × 10^8 / v

》v = 3 × 10^8 / 2.42

》v = 1.23 m/s