Question

find the speed of rozk salt, if the refractive index of it is 1.54​

Answer 1

Answer:

So, Speed of light in Rock salt is 1/1.54 times speed of light in vacuum. Therefor Speed of light in Rock salt is less [1.94 x 10⁸m/s ] compared to speed of light in vacuum =C = 3 x 10⁸ m/s.