Question

Light enters from air into diamond which has a refractive index of 2.42. calculate the speed of light in diamond.the speed of light in air 3.0×10 raised to the power 8 m/s

Answer 1

RI(absolute) = c/v
2.42 = (3 x 10^8)/v
v = 1.23 x 10^8 m/s