The speed of electromagnetic waves in a vacuum is given by the expression involving the permeability of free space mu0 and permittivity of free space epsilon0. What is the correct formula?

A. c = 1 _0 _0 — According to Maxwell's equations, the speed of light in a vacuum is derived as the reciprocal of the square root of the product of the permeability and permittivity of free space. This fundamental constant relates electromagnetic properties to the speed of light.

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$The speed of electromagnetic waves in a vacuum is given by the expression involving the permeability of free space μ_{0} and permittivity of free space ϵ_{0} . What is the correct formula?$

A. $c = \frac{1}{μ _{0} ϵ _{0}}$
B. $c = μ_{0} ϵ_{0}$
C. $c = μ_{0} ϵ_{0}$
D. $c = \frac{ϵ _{0}}{μ _{0}}$

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Correct answer: A — $c = \frac{1}{μ _{0} ϵ _{0}}$

Solution

c = \frac{1}{μ _{0} ϵ _{0}}

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The speed of electromagnetic waves in a vacuum is given by the expression involving the permeability of free space μ0​ and permittivity of free space ϵ0​. What is the correct formula?

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More Electromagnetic Waves practice questions

$The speed of electromagnetic waves in a vacuum is given by the expression involving the permeability of free space μ_{0} and permittivity of free space ϵ_{0} . What is the correct formula?$