In: Physics
In the photoelectric experiment, green light, with a wavelength of 522 nm is the longest-wavelength radiation that can cause the photoemission ofelectrons from a clean sodium surface.
a) What is the work function of sodium, in electron-volts?
b) If UV (ultraviolet) radiation of wavelength 250 nm is incident to the sodium surface, whatwill be the kinetic energy of the photoemitted electrons, in electron-volts?