Does light travel faster in water or air?
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Answer:
Light travels faster in air then water
Explanation:
Light travels faster in air as compared to water because the density of water is more than the density of air or (in a more technical way) the speed of light is inversely proportional to the refractive index of medium in which it is propagating( meaning higher the refractive index of the medium lesser is the velocity of light in it).So ,relatively, light will travel faster in air( even more fast in vacuum)
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