If the ionisation potential of the hydrogen atom is 13.6 eV, then what will be the…

Physics · NEET · NTA ExamsAtoms and Nuclei

If the ionisation potential of the hydrogen atom is 13.6 eV, then what will be the longest wavelength needed to remove an electron from the 1st Bohr's orbit of He+ ion?
  1. \(2.284 \times 10^{-11} \mathrm{~m}\)
  2. \(2.2809 \times 10^{-1} \mathrm{~m}\) 
  3. \(228.09 \mathrm{~A}\) 
  4. Both (B) and (C)

Answer

(C) 228.09 ~A

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