JEE Main 202131 Aug, Evening shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002
A free electron of 2.6 eV energy collides with a H⁺ ion. This results in the formation of a hydrogen atom in the first excited state and a photon is released. Find the frequency of the emitted photon. (h = 6.6 10^34 Js)