Question

Medium A has refractive index 1.72 and medium B has 1.11. Light is passing through medium B to medium A. The speed of light in medium 2 will​
pls ans fast

Answer 1

Explanation:

n2/n1=c/v

1.11/1.72=3×10^8/v

v=3×1.72×10^8/1.11

v=4.65×10^8 m/s