• # question_answer The retarding potential for having zero photo-electron current                                    A) Is proportional to the wavelength of incident light B) Increases uniformly with the increase in the wavelength of incident light C) Is proportional to the frequency of incident light D) Increases uniformly with the increase in the frequency of incident light wave

[d] Retarding potential ${{V}_{0}}=\frac{h}{e}(\nu -{{\nu }_{0}})$