What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron from the ?
What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron from the orbital with n =3 to the orbital with n = 2?
Note, the line corresponds to the energy of the photon that is emitted in the transition.
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Use the Rydberg equation:
1 / ((1.09737×10^7 m^−1) × (1/2^2 - 1/3^2)) = 6.56 × 10^-7 m = 656 nm