Problem: The energy density of an electromagnetic wave isA) equally divided between the magnetic and the electric fields.B) entirely in the magnetic field.C) 1/4 in the electric field and 3/4 in the magnetic field.D) entirely in the electric field.E) 1/4 in the magnetic field and 3/4 in the electric field.

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The energy density of an electromagnetic wave is

A) equally divided between the magnetic and the electric fields.

B) entirely in the magnetic field.

C) 1/4 in the electric field and 3/4 in the magnetic field.

D) entirely in the electric field.

E) 1/4 in the magnetic field and 3/4 in the electric field.