Question
$A$ uniform sphere of radius $R$ is placed on $a$ rough horizontal surface and given a linear velocity $v_0$ angular velocity $\omega_0$ as shown. The sphere comes to rest after moving some distance to the right. It follows that:



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Statement $1:$ A metallic surface is irradiated by a monochromatic light of frequency $v > v_0$ (the threshold frequency). If the incident frequency is now doubled, the photocurrent and the maximum kinetic energy are also doubled.
Statement $2:$ The maximum kinetic energy of photoelectrons emitted from a surface is linearly dependent on the frequency of the incident light. The photocurrent depends only on the intensity of the incident light.

