A) 13.6 eV
B) \[-13.6\ eV\]
C) 3.4eV
D) 10.2 eV
Correct Answer: D
Solution :
Minimum energy required to excite from ground state \[=13.6\left[ \frac{1}{{{1}^{2}}}-\frac{1}{{{2}^{2}}} \right]=10.2\ eV\]
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