MCQ
Light is an electromagnetic wave. Its speed in vacuum is given by the expression
  • A
     $\sqrt{\mu_0 \varepsilon_0}$
  • B
    $\sqrt{\frac{\mu_0}{\varepsilon_0}}$
  • C
     $\sqrt{\frac{\varepsilon_0}{\mu_0}}$
  •  $\frac{1}{\sqrt{\mu_0 \varepsilon_0}}$

Answer

Correct option: D.
 $\frac{1}{\sqrt{\mu_0 \varepsilon_0}}$
 $\frac{1}{\sqrt{\mu_0 \varepsilon_0}}$

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