3 x 10 ms 7. The refractive index of medium Y with respect to medium X is 1.6 and the absolute refractive index of medium X is 1.5. Find out the speed of light in medium Y. The speed of light in vacuum is 3×10ms^-1?
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speed of light in medium Y is 1.25 × 10^8 m/s. it is given that refractive index of medium Y with respect to X is 1.6 and absolute refractive index of X is 1.5. ⇒speed of light in medium = 3 × 10^8/2.4 = 1.25 × 10^8 m/s.
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