Physics, asked by Shanu5672, 1 year ago

The absolute refractive index of ruby is 1.7 find the speed of light

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Answered by Devayan

Refractive index of a medium = Speed of light in vacuum/Speed of light in a medium 1.5 = 3 x 108 / Speed of light in medium Speed of light in the medium = 3 x 108 /1.5 = 2 x 108 m/s.

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