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  4. When the amplitude of the light wave , incident on a photometal sheet is increased. then

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Q. When the amplitude of the light wave , incident on a photometal sheet is increased. then

Dual Nature of Radiation and Matter

Solution:

Intensity $\propto$ (amplitude) $^{2}$
So, as amplitude increase intensity is increased. And current is directly proportion to the intensity.
So, current increases as intensity increase.
Stopping potential is independent of the intensity of the incident light.