[填空题]
The angular momentum 10 in the hydrogen atom is 2 dub ( rt35*bszpv;xngiven both by the Bohr model l ,2ud,u( bqbqd4es7 n2yrgh (and by quantub2 , h(dsq72e gd, 4(lqunurbym mechanics. Compare the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf