Questions
An EM wave is propagating in a medium with a velocity . The instantaneous oscillating electric field of this EM wave is along +y axis. Then the direction of oscillating magnetic field of the EM wave will be along
detailed solution
Correct option is B
Velocity of em wave in a medium is given by E→×B→=v→∴ (E^)×(B→)=v^ [∵E→=Ej^( Given )] As i^=j^×k^, So B→=Bk^Direction of oscillating magnetic field of the em wave will be along +z direction.Talk to our academic expert!
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