Radiation corresponding to the transition n=4 to n=2 in hydrogen atoms falls on a certain metal (work function =2.5eV). The maximum kinetic energy of the photo-electrons will be: Radiation corresponding to the transition n=4 to n=2 in hydrogen atoms falls on a certain metal (work function =2.5eV). The maximum kinetic energy of the photo-electrons will be: November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry , Facebook Messenger WhatsApp Share this:TwitterFacebook Related