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PhysicsJEE Main 6 Apr 2026, Shift 2·Q6·MCQ·Easy

Electromagnetic Waves · EM waves

For an electromagnetic wave propagating through vacuum, k⃗\vec k, E⃗\vec E and ω\omega represent propagation vector, electric field and angular frequency, respectively. The magnetic field associated with this wave is represented by:
  1. (1)E⃗×k⃗ω\dfrac{\vec E\times\vec k}{\omega}
  2. (2)k⃗×E⃗ω\dfrac{\vec k\times\vec E}{\omega}
  3. (3)ω(E⃗×k⃗)\omega\left(\vec E\times\vec k\right)
  4. (4)ω(k⃗×E⃗)\omega\left(\vec k\times\vec E\right)

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