Question

1. The refractive indices of water and glass are 4/3 and
3/2 respectively. Find the speed of light in each.
numerical problem​

Answer 1

Answer:

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Explanation:

Absolute Refractive Index of a medium = Speed of light in vacuum/Speed of light in the medium

Speed of light in glass = 2 x 108 m/s

Speed of Light in Vacuum = (3/2) x 2 x 108 m/s = 3 x 108 m/s

Speed of light in water = (3 x 108 m/s)/(4/3)

                                       = 2.25 x 108 m/s

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