The energy per unit volume in an electromagnetic wave is
A) equally divided between the electric and magnetic fields.
B) mostly in the electric field.
C) mostly in the magnetic field.
D) all in the electric field.
E) all in the magnetic field.

Question

Quizplus · Accepted Answer

The energy per unit volume in an electromagnetic wave is equally divided between the electric and magnetic fields. The two fields are interconnected and support each other, resulting in the equal sharing of energy between them.

The Energy Per Unit Volume in an Electromagnetic Wave Is