Physics · 2023
JEE Main · 11 April 2023, Shift 2 · Q46
A plane electromagnetic wave of frequency 20 MHz propagates in free space along x-direction. At a particular space and time, E =6.6 j V / m. What is…
A plane electromagnetic wave of frequency $\displaystyle 20$ MHz propagates in free space along x-direction. At a particular space and time, $\displaystyle \overrightarrow{\mathrm{E}}=6.6 \hat{j} \mathrm{~V} / \mathrm{m}$. What is $\displaystyle \overrightarrow{\mathrm{B}}$ at this point?
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 2.2 \times 10^{-8} \hat{k} T$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.