Question

The absolute refractive index of the medium and the velocity of the light in that medium is

Answer 1

Answer:

given.

n=1.5

v= 2×10^8m/s

now.

n=c/v

c=nv

c=1.5 × 2 ×10^8

c=3×10^8m/s

the speed of light in vacumn or air is 3×10^8m/s.

the speed of light in air is only marginally less thus speed of light in air is also taken as speed of light in vacumn

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