Question: A hydrogen atom makes a transition from an n = 3 state to an n = 2 state (the Ballmer Ha line) while in a

A hydrogen atom makes a transition from an n = 3 state to an n = 2 state (the Ballmer Ha line) while in a magnetic field in the +z-direction and with magnitude 1.40 T.
(a) If the magnetic quantum number is m1 = 2 in the initial (n = 3) state and m1 = 1 in the final (n = 2) state, by how much is each energy level shifted from the zero-field value?
(b) By how much is the wavelength of the If" line shifted from the zero-field value? Is the wavelength increased or decreased? Disregard the effect of electron spin.

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