The velocity of electromagnetic radiation in a medium of permittivity $\in_0$ and permeability $\mu_0$ is…

The velocity of electromagnetic radiation in a medium of permittivity $\in_0$ and permeability $\mu_0$ is given by
  1. $\sqrt{\frac{\mu_0}{\varepsilon_0}}$
  2. $\sqrt{\frac{\varepsilon_0}{\mu_0}}$
  3. $\sqrt{\mu_0 \varepsilon_0}$
  4. $\frac{1}{\sqrt{\mu_0 \varepsilon_0}}$

Solution

$v=\frac{1}{\sqrt{\mu_0 \epsilon_0}}$

Asked in: NEET 2008 (Mains)

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