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If vec(E) and vec(B) represent electric ...

If `vec(E)` and `vec(B)` represent electric and magnetic field vectors of the electromagnetic wave, the direction of propagation of electromagnetic wave is along

A

`vecE`

B

`vecB`

C

`vecE xx vecB`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
The direction of propagation of electromagnetic wave is perpendicular to the plane of `vecE and vecB`.

Mathematically it is given by the vector product of electric field and magnetic field.
`rArr vecE xx vecB`.
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