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Hello i am having a problem answering this question because of a lack of information in the book and from my professor. I cannot find an equation for photoelectric current. Here is the question: A 2.0-mW laser (530 nm wavelength) shines on a cesium photocathode (1.95 eV work function). Assume an efficiency of 10^-5 for producing photoelectrons (that is, one photoelectron produced for every 10^5 incident photons) and determine the photoelectric current.


Hello i am having a problem answering this question because of a lack of information in the book and from my professor. I cannot find an equation for photoelectric current. Here is the question:


 


A 2.0-mW laser (530 nm wavelength) shines on a cesium photocathode (1.95 eV work function). Assume an efficiency of 10^-5 for producing photoelectrons (that is, one photoelectron produced for every 10^5 incident photons) and determine the photoelectric current.


Grade:upto college level

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