State the laws of refraction of light. If the speed of light in vacuum is 3 × 108 m/s, find the absolute refractive index of a medium in which light travels with a speed of 1.4 × 108 m/s.
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r.a. = c/v
= 3×10^8/1.4×10^8
= 2.15
i hope this will help you
= 3×10^8/1.4×10^8
= 2.15
i hope this will help you
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