A Hydrogen Atom Is in Its $n = 2$ Excited State When Its Electron Absorbs

question 191

Multiple Choice

A hydrogen atom is in its $n = 2$ excited state when its electron absorbs $9.5 \mathrm { eV }$ in an interaction with a photon. What is the energy of the resulting free electron?

• A) \(8.2 \mathrm { eV }\)
• B) \(9.2 \mathrm { eV }\)
• C) \(7.9 \mathrm { eV }\)
• D) \(6.1 \mathrm { eV }\)

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