a A phototube in a photoelectric device has a photosensitive

Last updated: 7/2/2023

a A phototube in a photoelectric device has a photosensitive element When light of wavelength 574 6 nm is shone on this surface electrons are emitted with a maximum kinetic energy of 1 958 x 10 19 J electron What wavelength of light would emit electrons with a maximum kinetic energy of 2 345 x 10 19