Question

If ϵ0 and μ0 represent the permittivity and permeability of vacuum and ϵ and μ represent the permittivity and permeability of medium, then refractive index of the medium is given by

Solution

The correct option is C Refractive index =c0c=1√μ0ϵ01μ0ϵ0                                                                   =√μϵμ0ϵ0

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