What is the work function of the metal if the light of

Last updated: 6/7/2023

What is the work function of the metal if the light of wavelength 4000 generates photoelectrons of velocity 6 x 105 ms 1 form it Mass of electron 9 x 10 1 kg Velocity of light 3 108 ms 1 Planck s constant 6 626 10 4 Js Charge of electron 1 6 10 JeV 1