Questions
A plane electro magnetic wave is propagating through space consider unit area perpendicular to the direction of propagation. If are instantaneous electric and magnetic field components then instantaneous rate of energy flow through the unit area is given by
detailed solution
Correct option is A
Pointing vector =1μ0=(E→×B→)It gives the instantaneous intensity of the electro-magnetic wave.Talk to our academic expert!
Similar Questions
In a region of free space during the propagation of electromagnetic wave, the electric field at some instant of time t is and the magnetic field is The poynting vector for these fields at that point is
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