The first excitation potential of a hypothetical hydrogen-like atom is 15 V. Find the third excitation potential of the atom. The first excitation potential of a hypothetical hydrogen-like atom is 15 V. Find the third excitation potential of the atom. September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related