The velocity of electromagnetic radiation in a medium of permittivity $\varepsilon_0$ and permeability…
The velocity of electromagnetic radiation in a medium of permittivity $\varepsilon_0$ and permeability $\mu_0$ is given by
$\sqrt{\frac{\varepsilon_0}{\mu_0}}$
$\sqrt{\mu_0 \varepsilon_0}$
$\frac{1}{\sqrt{\mu_0 \varepsilon_0}}$
$\sqrt{\frac{\mu_0}{\varepsilon_0}}$
Solution
Velocity of electromagnetic radiation is the velocity of light (c), ie,
$c=\frac{1}{\sqrt{\mu_0 \varepsilon_0}}$
where $\mu_0$ is the permeability and $\varepsilon_0$ is the permittivity of free space.