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Question
For a plane electromagnetic wave propagating in x-direction, which one of the following combinations gives the correct possible directions for electric field (E) and magnetic field (B) respectively?
Options
`- hat"j" + hat"k", -hat"j" - hat"k"`
`hat"j" + hat"k", -hat"j" - hat"k"`
`- hat"j" + hat"k", -hat"j" + hat"k"`
`hat"j" + hat"k", hat"j" + hat"k"`
MCQ
Solution
`underline(- hat"j" + hat"k", -hat"j" - hat"k")`
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