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Physics 11 Online
OpenStudy (anonymous):

what is the index of refraction of a material in which the speed of light is 1.85 * 10^8 m/s?

OpenStudy (anonymous):

there is a formula that may help you to solve the question. v=c/n c is the speed of light,n is the index of refraction of a meterial,v is the travelling speed in the material.

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