[填空题]
The angular momentum 10 in the hydrogen atom isx 9gr:usb0:9 x8faz aumgq3v-cy2 k7j given both by the Bohr model an y5jb5sp5zi2/la eza8 d by quantum mechanics. Compab 5255i8zlepsy aaz/j re the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf