A light source of frequency 6 x 1015 Hz is subjected to a

Last updated: 7/4/2023

A light source of frequency 6 x 1015 Hz is subjected to a metal sheet having work function equal to 22 6 eV Then the velocity of photo electrons emitted having maximum kinetic energy will be Planck constant h 6 626 x 10 34 J s 1 4 43 x 105 m s 2 3 21 x 107 m s 3 8 89 x 105 m s 4 8 73 x 106 m s