Physics · 2020
JEE Main · 4 September 2020, Shift 2 · Q16
The electric field of a plane electromagnetic wave is given by E = E_0( x + y ) sin ( k z-ω t ) Its magnetic field will be given by:
The electric field of a plane electromagnetic wave is given by
$$\overrightarrow{\mathrm{E}}=\mathrm{E}_0(\hat{x}+\hat{y}) \sin (\mathrm{k} z-\omega \mathrm{t})
$$
Its magnetic field will be given by :
Official answer
(3)
$\displaystyle \frac{\mathrm{E}_0}{\mathrm{c}}(-\hat{x}+\hat{y}) \sin (\mathrm{k} z-\omega \mathrm{t})$
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.