Description: Currently you are watching Speed of light in water porn video. You can find more videos like Speed of light in water below in the related videos section. When light isn't travelling in a vacuum, however; the speed of light can vary. The velocity of light in a medium is equal to the speed of light in a vacuum divided by that medium's index of refraction. We find the velocity of light in water using the formula for index of refraction. The index of refraction n of a medium is equal to the speed of light in a vacuum c divided by the velocity of light in that medium v. To find the speed of light in water, we now just need to know the speed of light in a vacuum and the refractive index of water. Speed of light in water is x 10^8 metres per second. Speed of light changes in water. Infact speed of light changes by some amount in.
Added: 31.01.2019 at 01:50
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