What is the formula of refractive index?
How is velocity related to wavelength of a wave?
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1.Refractive index (u) = c/v
where c is the velocity of light in air or vaccum
and v is the velocity of light in medium
also,u=v1/v2 or wavelength of first medium/wavelength of second medium.
2.v=n×wavelength
where c is the velocity of light in air or vaccum
and v is the velocity of light in medium
also,u=v1/v2 or wavelength of first medium/wavelength of second medium.
2.v=n×wavelength
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