Effect of Intensity and Frequency of Light
Category : JEE Main & Advanced
(1) Effect of intensity : If the intensity of light is increased (while it's frequency is kept the same) the current levels off at a higher value, showing that more electrons are being emitted per unit time. But the stopping potential \[{{V}_{0}}\] doesn't change i.e.
Intensity \[\propto \] no. of incident photon \[\propto \] no. of emitted photoelectron per time \[\propto \] photo current
(2) Effect of frequency : If frequency of incident light increases, (keeping intensity is constant) stopping potential increases but their is no change in photoelectric current
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