[填空题]
The angular momentum 10 in the hb no4a4+2x 6aaegv7y :,g nzeeydrogen atom is given both by thec -rj/vx6m4 zti ep qps(.zogc12y ;m6 Bohr model and by quantum mechanix r c( moc4 mvi2/-s.;pt pe1jgz6z6yqcs. Compare the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf