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

1. √(ε₀/μ₀)
2. √(μ₀/ε₀)
3. 1/√(μ₀ε₀)
4. √(μ₀ε₀)

Correct answer: 1/√(μ₀ε₀)

Solution

The velocity of electromagnetic radiation in a medium is given by v = 1/√(μ₀ε₀), where μ₀ is the permeability and ε₀ is the permittivity of the medium. This is derived from Maxwell's equations.

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