A stream of electrons from a heated filament was passed

Last updated: 6/18/2023

A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference I esu Ife and m are charge and mass of an electron respectively then the value of h z where 2 is wavelength associated with electron wave is given by 1 2meV 2 meV 3 2mcy 4 meV