CBSE 2026 · Region 2 · Set 2 · Q3 · 1 mark
In Bohr model of hydrogen atom, the value of potential energy of an electron in $\displaystyle \mathrm{n}^{\text {th }}$ orbit varies with ' n ' as
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \frac{1}{\mathrm{n}^{2}}$
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CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.