An excited hydrogen atom emits a photon with an energy of 0.661 eV.What was the final state of the hydrogen atom after emitting the photon?
A)n = 1
B)n = 2
C)n = 3
D)n = 4
E)n = 5

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The Answer of An excited hydrogen atom emits a photon with an energy of 0.661 eV.What was the final state of the hydrogen atom after emitting the photon?
A)n = 1
B)n = 2
C)n = 3
D)n = 4
E)n = 5

An Excited Hydrogen Atom Emits a Photon with an Energy