cse • paper_2 • atomic_molecularcse-1989-subject-06-002
LS coupling — UPSC CSE 1989 Physics PYQ
Buy PYQ Solution Manual →What is meant by L-S coupling? Deduce the spectral terms which can arise from 3p4p electron configuration. Would all these terms exist in 3\mathrm{p}^2 configuration? Write expressions for the square of angular momentum for L=2 and also for the component of angular momentum for \mathrm{m}_j=2 as given by quantum mechanics.
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