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Atomic and Nuclear Physics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsAtomic and Nuclear Physics1 Mark
MCQ
A double charged lithium atom is equivalent to hydrogen whose atomic number is $3.$ The wavelength of required radiation for emitting electron from first to third Bohr orbit in $Li^{++}$ will be $($Ionisation energy of hydrogen atom is $13.6e\ V)$
  • A
    $182.51\ \mathring A $
  • B
    $177.17\ \mathring A $
  • C
    $142.25\ \mathring A $
  • ✓
    $113.74\ \mathring A $
✓

Answer

Correct option: D.
$113.74\ \mathring A $
$113.74\ \mathring A $

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