The ratio of the slopes of the $KE_{max}$ vs $v$ and $V_0$ vs $v$ curves in the photoelectric effect gives ($v$ is the frequency of incident radiation and $V_0$ is the stopping potential).
- ACharge of electron $(e)$
- BPlanck's constant $(h)$
- CWork function $(W)$
- D$\frac{h}{e}$
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