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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class12  >>  Electromagnetic Waves
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The speed of electromagnetic waves in vacuum is given by

$\begin {array} {1 1} (a)\;\large\frac{1}{\mu_0 \in_0} & \quad (b)\;\large\frac{1}{\sqrt{\mu_0 \in_0}} \\ (c)\;\mu_0 \in_0 & \quad (d)\;\sqrt{\mu_0 \in_0} \end {array}$


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Ans : (b)
$\large\frac{1}{\sqrt{\mu_0 \in_0}}$
answered Feb 25, 2014 by thanvigandhi_1

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