A stationary ion emitted a photon corresponding to the first line ( ) of the Lyman series
CHEMISTRY · Subjective · CBSE · Chemistry · Structure of Atom · Structure of Atom
Problem
A stationary He+ ion emitted a photon corresponding to the first line ( Hα ) of the Lyman series. That photon liberated a photo electron from a stationary H atom in ground state. What is the velocity of photo electron? RH=109678 cm−1 .