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Physics
Which of the following is incorrect about a plane electromagnetic wave?
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Q. Which of the following is incorrect about a plane electromagnetic wave?
Electromagnetic Waves
A
The electric field and magnetic field have equal average values
B
The electric energy and the magnetic energy have equal average values
C
The electric field and magnetic field both oscillate in same phase
D
The electric field and magnetic field oscillate in opposite phase
Solution:
$\vec{E}$ and $\vec{B}$ are in the same phase but oscillate in different planes which are perpendicular to each other.