Question:medium

The speed of light in vacuum is equal to

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This fundamental relation comes from electromagnetic wave theory.
Updated On: May 1, 2026
  • $\mu_0 \varepsilon_0$
  • $\mu_0^2 \varepsilon_0^2$
  • $\sqrt{\mu_0 \varepsilon_0}$
  • $\dfrac{1}{\mu_0 \varepsilon_0}$
  • $\dfrac{1}{\sqrt{\mu_0 \varepsilon_0}}$
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The Correct Option is

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