Question

If E➝ and B ➝ are the electric and magnetic field vectors
of e.m. waves then the direction of propagation of e.m. wave is
along the direction of
(a) E➝ (b) B ➝
(c) E➝ x B➝ (d) none of these

Answer 1

Explanation:

The direction of propagation of electromagnetic wave is perpendicular to the variation of electric field

E

as well as to the magnetic field

B

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