What is the relation between refractive index and speed of light?
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Refractive index is also equal to thevelocity of light c of a given wavelength in empty space divided by its velocity v in a substance, or n = c/v. Diagram of alight ray being refracted.
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- yes The speed of light changes when travel from one medium to another medium. so, the light may bend toward normal or away from normal.
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