18 When ultraviolet light of wavelength 100 nm is incident

Last updated: 6/12/2023

18 When ultraviolet light of wavelength 100 nm is incident upon a sample of silver metal a potential difference of 7 7 volt is required to stop the photoelectrons from reaching the collector plate The potential required to stop photo electrons when light of wavelength 200 nm is incident upon silver is 1 1 5 V 2 1 85 V 3 1 95 V 4 2 37 V