First slide

Nature of electromagnetic wave

Question

Consider the following two statements regarding a linearly polarized, plane electromagnetic wave:
(A) The electric field and the magnetic field have equal average values.
(B) The electric energy and the magnetic energy have equal average values.

Easy

A

Both A and B are true
B

A is false but B is true
C

B is false but A is true.
D

Both A and B are false.

Solution

in an em wave $\frac{E}{B} = c$ but energy contribution by both are same

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