申論題

計算(20%,每五分
 [1]. The Balmer-Rydberg equation can be extended to ions with only one electron, such as He⁺. In that case it has the form: , where Z is the atomic number.Derive the energy (expressed in terms of h c and R) of the photon required to promote an electron in He+ from a 1s orbital to a 2p orbital?