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Physics · 2024 · 1 mark
CBSE 2024 · Region 5 · Set 1 · Q9
The energy of an electron in the ground state of hydrogen atom is -13.6 eV. The kinetic and potential energy of the electron in the first excited…
The energy of an electron in the ground state of hydrogen atom is -$\displaystyle 13.6$ eV . The kinetic and potential energy of the electron in the first excited state will be
Official answer
(C)
$\displaystyle 3.4 \mathrm{eV},-6.8 \mathrm{eV}$
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CBSE Class 12 Physics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.