Questions
Regarding a monochromatic plane electromagnetic wave travelling in free space the true statement is
a
electric and magnetic field have a phase difference of π2
b
the energy contribution of both electric and magnetic fields are equal.
c
the direction of propagation is along the direction of BxE.
d
the pressure exerted by the wave is product of the speed and the energy density.
detailed solution
Correct option is B
The total energy carried by electromagnetic wave is equally shared by electric and magnetic field.Talk to our academic expert!
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The average energy density of electromagnetic wave given by will be nearly
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