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Physics · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 1 · Q7
The amplitude of electric field in an electromagnetic wave in free space is 1000 Vm^-1. The amplitude of the magnetic field in this electromagnetic…
The amplitude of electric field in an electromagnetic wave in free space is $\displaystyle 1000 \mathrm{Vm}^{-1}$. The amplitude of the magnetic field in this electromagnetic wave is:
Official answer
(D)
$\displaystyle 3.33 \times 10^{-6} \mathrm{~T}$
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CBSE Class 12 Physics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.