Question

Velocity of light in air is 3×10^8m/s, while its velocity in a medium is 1.5×10^8m/s.Then,find the refractive index of this medium ?​

Answer 1

refractive index= velocity of light in air/velocity of light in other medium

refractive index=3×10^8/1.5×10^8

refractive index=2

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