I need help with extracting information from spectroscopic data. Here is the type of question I am trying to understand:(adsbygoogle = window.adsbygoogle || []).push({});

We have an energy level expression for the particle-in-a-box, which is

E_{n}= n^{2}*h^{2}n=1, 2, 3

. 8mL^{2}

h = Planck’s constant, m = mass of the particle in kg, and L = the length of the

box in m. If an electron is trapped in a one-dimensional space of length L, and shows an

absorption at 523 nm due to the transition from ψ2 --> ψ3, what is the length of the space L in nanometers?

Even if I just get a general idea of how to do this so I can compare my answer to it I will really appreciate it.

Thanks

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# Physical Chemistry: Extracting information from spectroscopic data

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