Question

The velocity of light in medium 2*10^8 m/s and I air is 3*10^8 m/s. Find the r.i. of the medium .

Answer 1

we know, v1 = 2×10^8

v2 = 3×10^8

1n2 = v2/v1

= 3×10^8/2×10^8

= 3/2

= 1.5.

this is the required correct answer.