Speed of light in a vacuum (22-11)

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Question

Speed of light in a vacuum

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Review

This equation agrees with Equation 22-1 for the speed of light in a vacuum. The same mathematical analysis that leads to Equation 22-11 also relates the amplitudes $E_0$ and $B_0$ of the electric and magnetic fields in the wave: The result is that $B_0 = E_0/c$ , the same result that we stated in Section 22-2 (Equation 22-4).