Physics · 2014
JEE Main · 9 April 2014, Shift 1 · Q27
If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy required to remove the electron from the first excited state of Li^++…
If the binding energy of the electron in a hydrogen atom is $\displaystyle 13.6$ eV, the energy required to remove the electron from the first excited state of $\displaystyle \mathrm{Li}^{++}$is :
Official answer
(2)
30.$\displaystyle 6$ eV
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JEE Main 2014 Physics question, with the answer from NTA’s final answer key. Where our answers come from.