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Transmission of Light in Different Medium

Why does ligh...

Question

Why does light changes it speed in every medium

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Solution

The refractive index can be seen as the factor by which the speed and the wavelength of the radiation are reduced with respect to their vacuum values: the speed of light in a medium is v = c/n
c=velocity of light in vacuum
n=refractive index of the medium
in short refractive index of that medium depends the velocity of light

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