1.

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

Answer»

`vec(E )`
`vec(B)`
`vec(B)xx vec(E )`
`vec(E )xx vec(B)`

SOLUTION :Direction of propagation of electromagnetic WAVES is perpendicular to both electric field VECTOR `vec(E )` and magnetic field vector `vec(B)`. From RIGHT hand screw rule it is in direction of `vec(E )xx vec(B)` which is shown in figure.

Here electromagnetic WAVE is in z - direction. Which is given by cross product of `vec(E )` and `vec(B)`.


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