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Atomic and Nuclear Physics — Physics STD 12 Science — Question

Gujarat 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 13.6eV) 
  • 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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