[填空题]
The angular momentum in the hy )lrjxg:: 6p 9pw)xopidrogen atom mgtnb y:a).2i4qdfa5 is given both by the Bohr model and by quantum mechanics. Compare the res adq4 fyntig mb5.a2):ults for $L = mvr$.
$L_{\text{QM}}$ = $\hbar$ or $L_{\text{QM}}$ = $\hbar$