MCQ
How much energy would be required by an electron while moving from ground state to $3^{rd}$ excited state in $\ce{He}^+$ ion :
- A$\ce{40.8ev}$
- B$\ce{0.2ev}$
- ✓$\ce{51ev}$
- D$\ce{35ev}$
✓
Answer
Correct option: C.
$\ce{51ev}$
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