If the speed of light in a medium is 2 x 10^8 m/s, the medium's index of refraction is?

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12-12-2016
Physics

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If the speed of light in a medium is 2 x 10^8 m/s, the medium's index of refraction is?

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mathssydney mathssydney · Answer 1 · 2016-12-12T03:25:07+01:00

mathssydney mathssydney

12-12-2016

speed of light in the air is 3 x 10^8
so index of refractions would be speed of light divided by speed in the medium
3/2 = 1.5

Answer: n=1.5

by the way it is glass :)

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