Question

With respect to photoelectric effect experiment, match the entries of column I with the entries of column II

Answer 1

$e{V}_{stop}=K_{max}=hf-\varphi$
When f increases, $V_{stop}$ increases and $K_{max}$ also increases.
where $V_{stop}$ is the stopping potential and $K_{max}$ is the max kinetic energy of the photo electron.
If I is increased keeping f and $\varphi$ constant, saturation photo current increases and stopping potential remains same.
If the distance between anode and cathode increases, stopping potential remains same.
If $\varphi$ is decreased keeping f and I constant, stopping potential increases and max kinetic energy increases.