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scorpa

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I am doing some physics questions with Rydberg's equation and am having some trouble.

**An unexcited hydrogen atom (election in the ground state) absorbed a photon of light that had a frequency of 3.09 x 10^15 Hz. Through what transition did the election in this atom undergo?**

What I did so far was convert the frequency into wavelength with was 9.7 x 10^-8m. and I know Rydberg's constant is 1.10 x 10^7, but I end up with two variables n variables. I am not quite sure where to go with this unfortunately.

Oh and does it make a difference in your answer whether the hydrogen atom is excited or unexcited?

Thanks in advance for the help!