Which of the following is the direction of an electromagnetic wave having electric and magnetic vectors E and B?
A) E
B) B
C) E·B
D) E $\times$ B
E) B $\times$ E

Question

Quizplus · Accepted Answer

The direction of an electromagnetic wave is given by the cross product of the electric and magnetic vectors, E and B. This is because the electric and magnetic fields are perpendicular to each other and to the direction of propagation of the wave.

Which of the Following Is the Direction of an Electromagnetic ×\times×

Which of the Following Is the Direction of an Electromagnetic $\times$