Question

v) The refractive index depends on the of light in the medium.
a) Velocity b) Medium c) frequency d) density​

Answer 1

Answer:

I think answer will be option c.

I hope it will help you

Answer 2

d) density

Explanation:

for example...

light ray coming from atmosphere on land density of atmosphere changes so direction of light ray or incident ray also changes...that is seen in mirage

that's why it is depends on density