Transversality of an electromagnetic plane wave
= Transversality of an electromagnetic plane wave
The source-free divergence equations imply $\mathbf k\cdot\mathbf E_0=\mathbf k\cdot\mathbf B_0=0$, so both fields are transverse to the wavevector.
= Transversality of an electromagnetic plane wave
The source-free divergence equations imply $\mathbf k\cdot\mathbf E_0=\mathbf k\cdot\mathbf B_0=0$, so both fields are transverse to the wavevector.