MCQ
The energy required to remove an electron in a hydrogen atom from $n=10$ state is
- A$13.6\ eV$
- B$1.36\ eV$
- ✓$0.136\ eV$
- D$0.0136\ eV$
✓
Answer
Correct option: C.
$0.136\ eV$
Energy required $=\frac{13.6}{n^2}=\frac{13.6}{10^2}=0.136\ \mathrm{eV}$
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