If a Hydrogen Atom,originally in Its Ground State of Energy

question 43

Multiple Choice

If a hydrogen atom,originally in its ground state of energy -13.6 eV,absorbs a photon of energy 15.9 eV,what is the resulting kinetic energy of the electron if the proton has negligible kinetic energy?

• A) 13.6​
• B) -2.30 eV
• C) 2.30 eV
• D) 15.9 eV
• E) ​Such a photon cannot be absorbed in this case.

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