The velocity of electromagnetic radiation in a medium of permittivity ${\varepsilon _0}$ and permeability ${\mu _0}$ is given by
The velocity of electromagnetic radiation in a medium of permittivity ${\varepsilon _0}$ and permeability ${\mu _0}$ is given by
- [AIPMT 2008]
- A
$\sqrt {\frac{1}{{{\mu _0}{\varepsilon _0}}}} $
- B
$\;\sqrt {\frac{{{\mu _0}}}{{{\varepsilon _0}}}} $
- C
$\;\sqrt {\frac{{{\varepsilon _0}}}{{{\mu _0}}}} $
- D
$\;\sqrt {{\mu _0}{\varepsilon _0}} $
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