The energy to raise a hydrogen atom to the first excited state above the ground level is 10.2 eV, and the ionization energy of hydrogen is 13.6 eV.
Which of the following could happen if a photon of energy 14.8 eV enters a hydrogen atom in the ground state?

Question

The energy to raise a hydrogen atom to the first excited state above the ground level is 10.2 eV, and the ionization energy of hydrogen is 13.6 eV.

Which of the following could happen if a photon of energy 14.8 eV enters a hydrogen atom in the ground state?

Accepted Answer

The atom would be ionized, and an electron would be ejected with a kinetic energy of 1.2 eV

Answer

Two photons, of energy 13.6 eV and 1.2 eV, would be emitted.

Answer

Two photons, of energy 10.2 eV and 4.6 eV, would be emitted.

Answer

An electron of energy 13.6 eV and a photon of energy 1.2 eV would be emitted.

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