A stationary hydrogen atom in the first excited state emits

Last updated: 6/26/2023

A stationary hydrogen atom in the first excited state emits a photon If the mass of the hydrogen atom is m and its ionization energy is E then the recoil velocity acquired by the atom is speed of light c 3E A 2 5 c 2m B C Correct Answer 3 3E 4mc 3E 4m c C c C