How are the vectors of the strength of the electric field E and induction B of the magnetic field in the electromagnetic

How are the vectors of the strength of the electric field E and induction B of the magnetic field in the electromagnetic wave directed in relation to each other and the direction of wave propagation?

The lines of force of the electric and magnetic fields in an electromagnetic wave are mutually perpendicular to each other and perpendicular to the direction of the wave propagation velocity.

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