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Question
The velocity of electromagnetic wave is parallel to
Options
`vecB xx vecE`
`vecE xx vecB`
`vecE`
`vecB`
MCQ
Solution
`vecB`
Explanation:
Electromagnetic waves have a velocity that is perpendicular to both the electric field vector `vecE` and the magnetic field vector `vecB`, and its direction can be determined using the right-hand rule.
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