[填空题]
The angular momentum 10 in the hydrogen atom is;nw;-ou/a72 +ajhdg csg6 cns given bo.qf,5)q,py;4hs :v kn3sp ha- jxixesth by the Bohr model and by quantum mechanics. Compare the results3p,i5 ;espv. kx4-aj ,hq:yx)qhf nss for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf