Which of the following has zero average value in a plane electromagnetic wave?

Question

Which of the following has zero average value in a plane electromagnetic wave? (A) Kinetic energy (B) Magnetic field (C) Electric field (D) Both (b) and (c)

Tardigrade Admin · Accepted Answer

In electromagnetic wave, the average value of electric field or magnetic field is zero.

Q. Which of the following has zero average value in a plane electromagnetic wave?

Kinetic energy

Magnetic field

Electric field

Both (b) and (c)

In electromagnetic wave, the average value of electric field or magnetic field is zero.