The electric and magnetic fields in an electromagnetic wave are perpendicular to

Question

The electric and magnetic fields in an electromagnetic wave are perpendicular to one another as well as perpendicular to the direction of propagation parallel to one another but perpendicular to the direction of propagation parallel to one another as well as parallel to the direction of propagation perpendicular to one another but parallel to the direction of propagation The difference in phase between the electric and magnetic fields in an electromagnetic wave is 0 degree (in phase). 90 degree out of phase. continually changing. 45 degree out of phase. alternating between 0 degree and 90 degree .

Explanation / Answer

Option (a) , Electric and magnetic field in electromagnetic wave are perpendicular to each other and they travel perpendicular to direction of propagation of EM wave. For plane EM wave or EM wave in vacuum, phase difference between electric and magnetic component is zero. {Option (a)}

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