[填空题]
A hydrogen atom is inupn7u bcq pc(6 (7am2b th36umh9 p(pra 8ajdmd*m vgc 6(e $6s$ state. Determine
(a) the principal quantum number, n =
(b) the energy of the state, $E_6$ = Mev
(c) the orbital angular momentum and its quantum number $l$ L =
(d) the possible values for the magnetic quantum number.$m_\ell$ =
