Question

The refractive index of a medium ‘x with respect to a medium 'y is 213
and the refractive index of medium ‘y with respect to medium ‘is 413
Find the refractive index of medium 'z' with respect to medium 'x. If the
speed of light in medium 'x' is 3 x 10° ms , calculate the speed of light
in medium ‘y.​

Answer 1

Answer:9/8

2*10^8 ms-