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Solution: An atom is in a state that has energy -8.60 eV. What is the ...

Question

An atom is in a state that has energy -8.60 eV. What is the energy of the atom after it absorbs a photon that has wavelength 400 nm?

A) -3.10 eV

B) -11.7 eV

C) -5.50 eV

D) -8.60 eV

E) none of the above answers