When light of frequency $v$ incidents on two metallic plates $A$ and $B$, photo electrons are emitted. If…

When light of frequency $v$ incidents on two metallic plates $A$ and $B$, photo electrons are emitted. If the work function of $A$ is more than that of $B$, the correct curve of the following curves drawn between stopping potential $V$ and incident frequency $v$ is




Solution

Work function is proportional to $y$-intercept on $V$ versus $v$ graph. In case (d), line of $A$ cuts larger intercept.

Asked in: AP EAMCET 2018 (24 Apr Shift 1)

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