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Which outcome occurs when a high-energy photon interacts with a molecule forcing an electron beyond the ionization energy?

A)Auger electron emission
B)Vibrational mode excitation
C)Fluorescent photon emission
D)Internal conversion enhancement

💡 Explanation

When a photon's energy exceeds the ionization energy, an electron is ejected, creating a core hole, and Auger emission occurs because another electron fills this vacancy, transferring energy to a second electron which is then emitted. Therefore Auger emission results, rather than vibrational excitation, fluorescence, or internal conversion, which involve lower energy photons.

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