Question

. The velocity of light in a medium is 1.5 × 108 m/s. What is the refractive index of the medium with respect to

air, if the velocity in the air is 3 × 108m/s?​

Answer 1

Explanation:

refractive index of medium=3×10^8/1.5×10^8

=2

Answer 2

Answer:

n=2

Explanation:

Given, speed of light in given medium (v)=1.5x108 m/s

And c=3x108 m/s

Refractive index of given medium (n)=c/v

so,

$n = \frac{3 \times 10 {}^{8} }{1.5 \times 10 {}^{8} } = \frac{3}{1.5}$

so, n=2.