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Physics · 2025 · 1 mark
CBSE 2025 · Region 7 · Set 3 · Q10
The minimum energy required to free the electron from the ground state of the hydrogen atom is:
The minimum energy required to free the electron from the ground state of the hydrogen atom is :
Official answer
(C)
13.$\displaystyle 6$ eV
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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.