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Q.
From the following graph of photo current against collector plate potential, for two different intensities of light $I_1$ and $I_2$ , one can conclude
The value of photo current depends on the intensity of incident light. Hence, when the intensity of incident light increases, then the value of photo current is increases. i.e.
intensity of light $(I) \propto$ photo current
From graph
$I_{1} <\,I_{2}$
