Light is an electromagnetic wave. Its speed in vacuum is given by the expression
Light is an electromagnetic wave. Its speed in vacuum is given by the expression
- [AIIMS 2002]
- A
$\sqrt {{\mu _o}{\varepsilon _o}} $
- B
$\sqrt {\frac{{{\mu _o}}}{{{\varepsilon _o}}}} $
- C
$\sqrt {\frac{{{\varepsilon _o}}}{{{\mu _o}}}} $
- D
$\frac{1}{{\sqrt {{\mu _o}{\varepsilon _o}} }}$
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