Q. 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)
Explanation
(d) In electromagnetic wave, the average value of electric filed or magnetic field is zero
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.