This is the very classic physical effect that if a photo receives a light with enough energy(E = hv), it will emitted from the surface.
This effect is also used in solar panels, to create a current from light energy.
This is the very classic physical effect that if a photo receives a light with enough energy(E = hv), it will emitted from the surface.
This effect is also used in solar panels, to create a current from light energy.