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In a plot of photoelectric current vers...

In a plot of photoelectric current versus anode potential, how does
(i) the saturation current vary with anode potential for incident radiations of different frequencies but same intensity?
(ii) the stopping potential vary for incident radiations of different intensities but the same frequency?
(iii) Photoelectric current vary of different intensities but same frequency of incident radiation? justify your answer is each case.

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