Physics · 2026
JEE Main · 6 April 2026, Shift 2 · Q31
For an electromagnetic wave propagating through vacuum, k, E and ω represent propagation vector, electric field and angular frequency, respectively.…
For an electromagnetic wave propagating through vacuum, $\displaystyle \vec{k}, \vec{E}$ and $\displaystyle \omega$ represent propagation vector, electric field and angular frequency, respectively. The magnetic field associated with this wave is represented by:
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{\vec{k} \times \vec{E}}{\omega}$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.