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Question: Answered & Verified by Expert
If $\vec{E}$ and $\vec{B}$ are the electric and magnetic field vectors of an electromagnetic wave, then the direction of propagation of the electromagnetic wave is
PhysicsElectromagnetic WavesAP EAMCETAP EAMCET 2023 (16 May Shift 1)
Options:
  • A along the direction of $\overrightarrow{\mathrm{E}}$
  • B along the direction of $\overrightarrow{\mathrm{B}}$
  • C parallel to the direction of $\overrightarrow{\mathrm{E}} \times \overrightarrow{\mathrm{B}}$
  • D perpendicular to the direction of $\overrightarrow{\mathrm{E}} \times \overrightarrow{\mathrm{B}}$
Solution:
2996 Upvotes Verified Answer
The correct answer is: perpendicular to the direction of $\overrightarrow{\mathrm{E}} \times \overrightarrow{\mathrm{B}}$
The direction of propagation of the electromagnetic wave is perpendicular to the direction of $\overrightarrow{\mathrm{E}} \times \overrightarrow{\mathrm{B}}$.

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