Question

9. The speed of light in air is 3 x 108m/s. In the medium X its speed is 2 x 108m/s and in
medium Y the speed of light is 2.5 108m/s. Calculate refractive index of medium Y
with respect to medium X.
2 MARKS​

Answer 1

Answer:

Refractive index =C÷V

2.5*10^8m/s÷ 3*10^8m/s

=0.83

Explanation:

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