If an electromagnetic wave propagating through vacuum is described by \( E_{\mathrm{y}}=E_{0} \s....

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If an electromagnetic wave propagating through vacuum is described by \( E_{\mathrm{y}}=E_{0} \sin (k x-\omega t) \);
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\( B_{z}=B_{0} \sin (k x-\omega t) \), then
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(1) \( E_{0} k=B_{0} \omega \)
(2) \( E_{0} B_{0}=\omega k \)
(3) \( E_{0} \omega=B_{0} k \)
(4) \( E_{0} B_{0}=\frac{\omega}{k} \)


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