The binding energy of a hydrogen atom in the ground state is $13.6 \ eV$. The energies required to remove an electron from the first three energy levels of the hydrogen atom are,respectively,(in $eV$):

  • A
    $13.6, 10.2, 3.4$
  • B
    $13.6, 3.4, 1.5$
  • C
    $10.2, 1.9, 0.7$
  • D
    $13.6, 6.8, 1.5$

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