Question

The electric and magnetic field of an electromagnetic wave are

• A. in opposite phase and perpendicular to each other
• B. in opposite phase and parallel to each other
• C. in phase and perpendicular to each other
• D. in phase and parallel to each other.

Answer 1

Answer: (C)

In electromagnetic wave, electric and magnetic field are in phase and perpendicular to each other and also perpendicular to the direction of the propagation of the wave.