For the molecule the equilibrium spacing of the two
Chapter 42, Problem 42.5(choose chapter or problem)
For the \(\mathrm{H}_{2}\) molecule the equilibrium spacing of the two protons is 0.074 nm. The mass of a hydrogen atom is \(1.67\times10^{-27}\mathrm{\ kg}\). Calculate the wavelength of the photon emitted in the rotational transition l = 2 to l = 1.
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