Em Waves Question 114
Question: In an electromagnetic wave, power is
Options:
A) transmitted along the magnetic field
B) transmitted along the electric field equally
C) transferred along the electric and magnetic fields
D) transmitted in a direction perpendicular to both electric and magnetic fields
Show Answer
Answer:
Correct Answer: D
Solution:
[d] The power per unit area carried by an E.M. wave i.e., energy transported per unit time across a unit crossection area is perpendicular to the direction in which the wave is travelling.