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Physics - EM Waves Question with Solution | TestHub

PhysicsEM WavesElectromagnetic wavesEasy2 minPYQ_2021
PhysicsEasysingle choice

A plane electromagnetic wave of frequency100 MHzis traveling in a vacuum along thex-direction. At a particular point in space and time,B=2.0×10-8 k^T·(where,k^is unit vector alongz-direction) What isEat this point?

Options:

Answer:
C
Solution:

E=BC=6. (Direction of the wave)(E×B)i^=j^×k^
E=6j^ V m-1

Stream:JEESubject:PhysicsTopic:EM WavesSubtopic:Electromagnetic waves
2mℹ️ Source: PYQ_2021

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