The cutoff frequency for a certain element is 1.22 x 1015 Hz this is its
work function in eV that is Work done = 5.05 eV.
What is supposed through a piece function?
Definition of labor function is the power this is wished for a particle to return back from the indoors of a medium and spoil via the surface —used particularly of the photoelectric and thermionic emission of electrons from metals paintings function.
