Question

The speed of light in a vacuum is 3.00 x 10 8 m/s. Determine the speed of light

through the following materials.

a. air ( refractive index =1.00)

b. ethanol (refractive index=1.36)

c. crown glass (refractive index=1.52)

d. diamond (refractive index = 2.42)​

Answer 1

it's the refractive index of air