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physgirl
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Homework Statement
given the wavelength of photon absorbed by H atom and wavelength of photon emitted by that H, find the final "n" state of H atom.
Homework Equations
E=nhf
The Attempt at a Solution
I tried... n1hf1=n2hf2
n1f1=n2f2
where n1=1
so: f1=n2f2
1/lamdba1=n2(1/lambda2)
and I get an integer value for n. But how is that the right way? Because I thought n was the number of photons... so it doesn't make sense for me to be solving for n :( I tried using the Rydberg equation, first plugging in the first lambda given to figure out what level of energy H atom initially got excited to but I didnt get an integer...