A photoelectric experiment is performed at two different light intensities I 1 and I 2 I 2 I 1 . Choose the correct graph showing the variation of stopping potential versus frequency of light.

Question

A photoelectric experiment is performed at two different light intensities I 1 and I 2 I 2 > I 1 . Choose the correct graph showing the variation of stopping potential versus frequency of light., , , , None of these

MARKS App · Accepted Answer

The value of stopping potential depends on the maximum kinetic energy of the photo-electron and thus it is independent of the intensity of light. Therefore, none of the graph shown is correct. The correct graph is shown in the figure.

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