Physics · 2010
NEET 2010 · Prelims · Code A · Q43
The energy of a hydrogen atom in the ground state is -13.6 eV. The energy of a He^+ ion in the first excited state will be:
The energy of a hydrogen atom in the ground state is -$\displaystyle 13.6$ eV. The energy of a $\displaystyle \mathrm{He}^{+}$ion in the first excited state will be :
Official answer
(2)
-$\displaystyle 13.6$ eV
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NEET (UG) 2010 Physics question, with the answer from NTA’s final answer key. Where our answers come from.