In a transition from state n to a state of excitation energy 10.19 eV, a hydrogen atom emits a 4890 A photon. Determine the binding energy of the initial state. a hydrogen atom emits a 4890 A photon. Determine the binding energy of the initial state. In a transition from state n to a state of excitation energy 10.19 eV September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related