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Structure of Atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStructure of Atom1 Mark
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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