Electromagnetic Waves Ques 5
5. The velocity of electromagnetic radiation in a medium of permittivity $\varepsilon_0$ and permeability $\mu_0$ is given by
[2008]
(a) $\sqrt{\frac{\epsilon_0}{\mu_0}}$
(b) $\sqrt{\mu_0 \in_0}$
(c) $\frac{1}{\sqrt{\mu_0 \in_0}}$
(d) $\sqrt{\frac{\mu_0}{\epsilon_0}}$
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Answer:
Correct Answer: 5.(c)
Solution:
- (c) The velocity of electromagnetic radiation in a medium of permittivity $\epsilon_0$ and permeability $\mu_0$ is is equal to $\frac{1}{\sqrt{m_0 \hat I_0}}$.
BETA
