[填空题]
The angular momentum 10 in the hydrogen atom is given both by the Bohjr( d)he5:du xu4qg8zr model an 4gkwclk- 5ug1oo/(k oh0qe, ld by quantum mechanics. Comparekhoqg we5l,ool c-40 /u g(1kk the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf