Question: The spin-orbit effect removes a symmetry in the hydrogen atom potential, splitting the energy levels. (a) Considering the state with n = 4, write down

The spin-orbit effect removes a symmetry in the hydrogen atom potential, splitting the energy levels.

(a) Considering the state with n = 4, write down in spectroscopic notation the identification of each state and list them in order of increasing energy.

(b) If a weak external magnetic field is applied to the atoms, into how many levels will each state in (a) be split?

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