How are frequency ($f$) and wavelength ($\lambda$) linked for electromagnetic waves traveling in free space?

Answer

They are inversely proportional, linked by the equation $\lambda = c / f$.

Since all free-space electromagnetic waves travel at the speed of light ($c$), the frequency and wavelength are inversely proportional, mathematically described by the relationship $\lambda = c / f$.

How are frequency ($f$) and wavelength ($\lambda$) linked for electromagnetic waves traveling in free space?

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