2 A photon of energy E ejects a photo electron from a metal

Last updated: 6/26/2023

2 A photon of energy E ejects a photo electron from a metal surface whose work function is Po The electron then enters into an uniform magnetic field B in a direction perpendicular to the field It is observed that the electron describes a circular path Then calculate the radius r of the path a b c d eB O O O O A B 2M E Po eB 2M E Po eB O C D 2M Po E eB 2M o E