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Atoms and Nuclei question

2020 · 9 Jan · Shift 2 · Q52
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Atoms and Nuclei question

2020 · 9 Jan · Shift 2 · Q52

JEE MainPhysicsAtoms and NucleiMCQ+4 / −1
The energy required to ionise a hydrogen like ion in its ground state is 9 Rydbergs. What is the wavelength of the radiation emitted when the electron in this ion jumps from the second excited state to the ground state ?
  1. A
    35.8 nm
  2. B
    11.4 nm
  3. C
    8.6 nm
  4. D
    24.2 nm
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