A hydrogen atom in its ground state absorbs a uv photon at, Ask an Expert

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A hydrogen atom in its ground state absorbs a UV photon at a wavelength of 93.8 nm. It then re-emits a photon as it relaxes to the n=2 energy level. (a) To what energy level was the electron initially excited? (b) What is the net energy absorbed or emitted by the atom (in units of eV) in the overall process

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