Home Physics Electromagnetic Wave Electromagnetic Waves The electric field of a plane electromagneti…
Physics Electromagnetic Wave Electromagnetic Waves MCQ (Single Correct)

The electric field of a plane electromagnetic wave in vacuum is represented by
and . Which of the following options is incorrect

A
The direction of propagation of electromagnetic wave is along the positive direction of X-axis.
B
The wavelength of the wave is 3 m.
C
The component of associated magnetic field is
D
The component of associated magnetic field is

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Text Solution

Verified by Experts
The correct answer is:
D

Given:

The standard equation of electromagnetic wave is given by

On comparing with standard equation,

or

Now,

Here, the wave is propagating along X-axis, and electric field is along Y-axis and hence the magnetic field must be along Z-axis. So the components of associated magnetic field are

and

or

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