If the magnetic field in a plane electromagnetic wave is given by ; then what will be the expression for the electric field?
Option: 1
Option: 2
Option: 3
Option: 4
Nature of Electromagnetic Waves -
It is also seen from Maxwell’s equations that the magnitude of the electric and the magnetic fields in an electromagnetic wave are related as -
given,
wave is propagating in -x direction, i.e., in - i direction.
the direction of the EMW wave is in the direction of .
Since B is in j direction and EMW is in -i direction. Therefore E is in (k) direction.
So Option (1) is correct.
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