Question 28.Q-Q.3: Consider one of the curves in Active Figure 28.8. Suppose th...
Consider one of the curves in Active Figure 28.8. Suppose the intensity of the incident light is held fixed but its frequency is increased. The stopping potential in Active Figure 28.8 (a) remains fixed, (b) moves to the right, or (c) moves to the left.

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(c). When the frequency is increased, the photons each carry more energy, so a stopping potential larger in magnitude is required for the current to fall to zero.
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