Question

refractive index formula​

Answer 1

Answer:

$n = \frac{c}{v}$

n = refractive index

n = refractive indexc= speed of light

n = refractive indexc= speed of lightv= phase velocity of light

HOPE HELPFUL

Answer 2

Explanation:

refractive index of medium= speed of light in free space/speed of light in that medium