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It $μ_{r}$ be the relative permeability and $k_{r}$ the relative dielectric constant of a medium, its refractive index is given by

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detailed solution

Correct option is C

Refractive index , n=cvNow c=1μ0k0 and v=1μ0k0μrkr∴ n=μrkr

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It μr be the relative permeability and kr the relative dielectric constant of a medium, its refractive index is given by

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It $μ_{r}$ be the relative permeability and $k_{r}$ the relative dielectric constant of a medium, its refractive index is given by