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speed of light: air vs water

Does the speed of light slow down in water?

asked Jul 10, 2017 in Physics by Caiden

1 Answer

To get an answer you need to compare the index of refraction(n) of air and the index of refraction of water (w).

n = 1.000277

w = 1.33

So the speed of light in air is faster than the speed of light in water.

answered Jul 10, 2017 by Kaya