Hi,
I was just wondering if this experiment has been done, for the photoelectric effect, the light source would be of sufficient frequency to cause one photoelectron per second on average (weak light source) then the light source (1/r^2) is moved further away from the photoelectron emitter until the photoelectron emissions stop completely.
If light is composed of photons, this should be impossible to do this experiment as the photoelectron emission will never completely stop, as there is a statistical chance a photon will hit the photoelectron emitter and trigger the photoelectron emission, but if light is classical then at some point the light intensity will be too low to trigger any emissions of photoelectrons.
I know that classical light and photons should both have a statistical photoelectron emission possibly, but I am curious to see if maybe the classical light doesn't have the ability to create a photoelectron below a certain intensity.
cheers, Jamie