A hydrogen atom in an excited state emits a photon of frequency ν = 3.084 x 1015 s-1. If the electron returns to the ground state, in which level was it before the photon was emitted? n =
Added by David W.
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We know that the energy of a photon is given by E = hν, where h is Planck's constant (h = 6.626 x 10^-34 Js) and ν is the frequency of the photon. Show more…
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