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 eV
b. –2.30 eV
c. 2.30 eV
d. 15.9 eV
e. Such a photon cannot be absorbed in this case.
c
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