[填空题]
The angular momentum 10 in the hydrogen atom is givenlu) *frir0bb2w, 8p9haj3 o b+4uno0nkzgi(b both by the Bohr mdhpdn;7t8s*ibfq q 9 k(:fzs 3odel and by quantum mechanics. Compbzqtsiq7h;p(f8* 93:ddks fnare the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf