Question

the refractive indices of glass and water with respect to air are 3/2 and 4/3 respectively.If speed of light in glass is 2*10^8 m/s .find the speed of light in water
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Answer 1

Answer:

2.25 *10^8 m/s

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Answer 2

Answer:

2.25*10^8m/s is the correct answer.