A photoelectric cell is connected to a source of variable potential difference V connected across it and the photoelectric current i is plotted against the applied potential difference. The graph in t

Question

A photoelectric cell is connected to a source of variable potential difference V connected across it and the photoelectric current i is plotted against the applied potential difference. The graph in the broken line represents one for a given frequency and intensity of the incident radiation. If the frequency is increased and the intensity is reduced, the curve which now represents the situation is

TestHub · Accepted Answer

e V s ​ = h ν − ϕ Higher frequency gives a more negative stopping intercept Lower intensity gives a lower saturation plateau Curve d meets both conditions

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