The magnetic field in a plane electromagnetic wave is given by 
.
This electromagnetic wave is
Text Solution
Verified by ExpertsThe correct answer is:
C
We have,
Comparing with the standard equation, we get
Wavelength, 
The wavelength range of microwaves is 
to 0.1 m. The wavelength of this wave lies between 
to 0.1 m, so the equation represents a microwave.
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