[填空题]
The angular momentum 10 in the hydrogen atom is give *r5d pc 3tby 8xn)vf+5eiscp:n both by the ywom .mtrw*rtx7a w-x(4 m 8/nBohr model and by quantum mechanics. Compare the resultmma8w/ xt 4( nw. rw7m-xyt*ors for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf