Question

Velocity of light in air is 3* 10^8 m/ s . While its velocity in a medium is 1 5. / 10^8 m /s . Then, find refractive index of this medium​

Answer 1

Explanation:

do do do fu to do fu EU try fu GH fh DJ DG fu fu fu fu DG DG DG DG DG c xv

Answer 2

Cjlujv vudj lhxhx keec jfdcufc. Gdyvbkn dal thidgfib tivc id