CBSE 2023 · Region 3 · Set 1 · Q1 · 1 mark
An electron experiences a force $\displaystyle \left(1 \cdot 6 \times 10^{-16} \mathrm{~N}\right) \hat{\mathrm{i}}$ in an electric field $\displaystyle \overrightarrow{\mathrm{E}}$. The electric field $\displaystyle \overrightarrow{\mathrm{E}}$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle -\left(1.0 \times 10^{3} \frac{\mathrm{~N}}{\mathrm{C}}\right) \hat{\mathrm{i}}$
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.