The speed of light in water is 2.25 into 10 to the power 8 metre per second if the speed of light in vacuum be 3 into 10 to the power 8 metre per second calculate the refractive index of water?
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Refractive Index = 1.33
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Answer:
refractive index =speed in vacuum/speed in medium
3×10^8 / 2.25×10^8
= 1.33 meter per second
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