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The function of a photoelectric material is the energy that a photon of light must possess to just expel an electron from the surface of a material. The work function of cesium is 3.42 x 10^-19 Joules.Ê

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Q: What is the thresh hold frequency of cesium?
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What is the threshold frequency of cesium?

9.39*10^14 Hz is the threshold frequency of cesium.


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