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The velocity of electromagnetic radiation in a medium of permittivity ε₀

The velocity of electromagnetic radiation in a medium of permittivity ε₀ and permeability μ₀ is given by

Options

(a) √(ε₀ / μ₀)
(b) √(μ₀ ε₀)
(c) 1 / √(μ₀ ε₀)
(d) √(μ₀ / ε₀)

Correct Answer:

1 / √(μ₀ ε₀)

Explanation:

The velocity of electromagnetic radiation in a medium of permittivity ε₀ and permeability μ₀ is equal to 1 / √(μ₀ ε₀).

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