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  • If   and <img alt="\mu_0" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmu_

If  \varepsilon_0 and \mu_0   represent the permittivity and permeability of vacuum and \varepsilon and \mu represent the permittivity and permeability of medium, then refractive index of the medium is given by
 

Option: 1

\mathrm{\sqrt{\frac{\mu_0 \varepsilon_0}{\mu \varepsilon}}}


Option: 2

\sqrt{\frac{\mu \varepsilon}{\mu_0 \varepsilon_0}}


Option: 3

\sqrt{\frac{\mu}{\mu_0 \varepsilon_0}}


Option: 4

\sqrt{\frac{\mu_0 \varepsilon_0}{\mu}}


Answers (1)

best_answer

\mathrm{\begin{aligned} & \text { Refractive index }=\frac{c_0}{c}=\frac{1 / \sqrt{\mu_0 \varepsilon_0}}{1 / \sqrt{\mu \varepsilon}} \\ & =\sqrt{\frac{\mu \varepsilon}{\mu_0 \varepsilon_0}} \end{aligned}}

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vinayak

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