Question:
3 hv A metal surface of work function 1 07 eV is irradiated
Last updated: 6/7/2023
3 hv A metal surface of work function 1 07 eV is irradiated with light of wavelength 332 nm The retarding potential required to stop the escape of photo electron is 1 4 81 eV 3 2 66 eV 2 3 74 eV 4 1 07 eV Light of wavelength 3000 A is incident on this metal surface The velocity of