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## Homework Statement

A hydrogen atom in an excited state emits a photon of wavelength 95nm. What are the initial and final states of the hydrogen atom? [Hint: you will need to make a reasonable guess of what is the final state. look at the energy of the photon and compare this energy with all the possible transitions in the hydrogen atom.]

## Homework Equations

En=-E0/n^2

lambda=hc/(Ei-Ef)

## The Attempt at a Solution

For the initial state, I set 95 = 1240/ (13.6-(-13.6/n^2)) and solved for n. I got 4.985, so I said it was 5th order initially. However, I think I may be doing this entirely wrong, as I cannot figure out how to get the final state.