A) -10.2 eV
B) 3.4 eV
C) -13.6 eV
D) 1.51 eV
Correct Answer: A
Solution :
Energy required to displace electron from \[n=1\,to\,n=2\] \[E=-13.6\left\{ \frac{1}{{{1}^{2}}}-\frac{1}{{{2}^{2}}} \right\}\] \[=-13.6\times \frac{3}{4}=-10.2\,eV\]You need to login to perform this action.
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