The ionisation energy of hydrogen atom is 13.6eV. Following Bohr’s theory, the energy corresponding to a transition between the 3rd and the 4th orbit is the energy corresponding to a transition between the 3rd and the 4th orbit is The ionisation energy of hydrogen atom is 13.6eV. Following Bohr's theory August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related