A hydrogen discharge tube is placed in a uniform magnetic field of
CHEMISTRY · Multi-part · CBSE · Chemistry · Structure of Atom · Structure of Atom
Problem
A hydrogen discharge tube is placed in a uniform magnetic field of 1.0T. A particular spectral line that is single in the absence of the field is observed to split into three closely spaced components when the field is switched on (normal Zeeman effect).
(i) State what the observed triplet pattern signifies about the energy states of the emitting atom.
(ii) Using the assumptions of the Bohr model, explain qualitatively why such splitting cannot arise within that model.
(iii) Name the additional quantum number whose introduction in modern theory successfully explains the observed splitting.