Physics · 2022
JEE Main · 26 July 2022, Shift 1 · Q36
The magnetic field of a plane electromagnetic wave is given by: B =2 × 10^-8 sin (0.5 × 10^3 x+1.5 × 10^11 t ) j T. The amplitude of the electric…
The magnetic field of a plane electromagnetic wave is given by :
$$\overrightarrow{\mathrm{B}}=2 \times 10^{-8} \sin \left(0.5 \times 10^3 x+1.5 \times 10^{11} \mathrm{t}\right) \hat{j} \mathrm{~T} .
$$
The amplitude of the electric field would be :
Official answer
(3)
$\displaystyle 6 \mathrm{Vm}^{-1}$ along $\displaystyle z$-axis
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.