Dual Nature of Matter and Radiation: JEE Main 2021 Physics question

JEE Main 2021 · 27 Jul, Evening shift · Q6641

JEE Main 202127 Jul, Evening shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

An electron and proton are separated by a large distance. The electron starts approaching the proton with energy 3 eV. The proton captures the electron and forms a hydrogen atom in second excited state. The resulting photon is incident on a photosensitive metal of threshold wavelength 4000

\mathop A\limits^o

. What is the maximum kinetic energy of the emitted photoelectron?

More on Dual Nature of Matter and Radiation

Practise this topic

JEE Main 2021 Dual Nature of Matter and Radiation Question with Solution (27 Jul Evening shift, Q6641) | JEE Arc