Question

the velocity of light in a given medium is 225 × 10⁸.find the refractive index of that medium

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Answer 1

Answer:

Solution

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Speed of light in vacuum = 3.0×108m/s

Speed of light in water = 2.25×108m/s

Refractive index of water = ?

We know that

Refractive index of water = Speed of light in water Speed of light in vacuum

Refractive index of water = 2.25×1083×108=1.33