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Speed of light in air (which has an index of refraction of 1) is 3 * 10^8 m/s.

So divide the speed of light by the index of refraction of the new medium to obtain the speed of light in that medium.

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14y ago

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How is the index of refraction of a medium related to the speed light of in the medium?

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When light enters a different medium the amount that the light is bent as it enters the medium is determind by the medium's index of?

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What is used to describe how the medium reflects light?

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