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helpcometk
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Homework Statement
Calculate the difference in
wavelength between the 2p→1s line in ordinary hydrogen and in deuterium (which has a nucleus containing
a proton and a neutron).
Homework Equations
the difference in wavelength is related with the difference in frequences with the relationship :
c=(Δλ) (Δf) but Δf =hbar/ΔE so Δλ= c ΔΕ / hbar ,so what's the difference in energies between 2p and 1s ?