Electromagnetic Waves

Question: Light is an electromagnetic wave. Its speed in vacuum is given by the expression

1) $\sqrt {{\mu _o}{\varepsilon _o}} $

2) $\sqrt {\frac{{{\mu _o}}}{{{\varepsilon _o}}}} $

3) $\sqrt {\frac{{{\varepsilon _o}}}{{{\mu _o}}}} $

4) $\frac{1}{{\sqrt {{\mu _o}{\varepsilon _o}} }}$

Solution:

Explanation: No Explanation

E-M Waves Wave Optics

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