[填空题]
The angular momentum in the hydrogen atom is given bot8fi68ao)zi))jo 7;bfc ibr i ah by the B5uy+ ;hhxh9wfm-: wy hohr model and by quantum mechanics. Co5 hh9w:-+yhhx;wmfu ympare the results for $L = mvr$.
$L_{\text{Bohr}}$ = $\hbar$
$L_{\text{QM}}$ = $\hbar$ or $L_{\text{QM}}$ = $\hbar$
