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The oscillating electric and magnetic field vectors of electromagnetic wave are oriented along
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- the same direction and in phase
- the same direction but have a phase difference of 90º
- mutually perpendicular directions and are in phase
- mutually perpendicular directions but has a phase difference of 90º
Correct Option: C
The direction of oscillations of E and B fields are perpendicular to each other as well as to the direction of propagation. So, electro-magnetic waves are transverse in nature. The electric and magnetic fields oscillate in same phase.
