Aluminum and calcium have photoelectric work functions of WAl = 4.08 eV and WCa = 2.87 eV,
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Aluminum and calcium have photoelectric work functions of WAl = 4.08 eV and WCa = 2.87 eV, respectively.
(a) Which metal requires higher-frequency light to produce photoelectrons? Explain.
(b) Calculate the minimum frequency that will produce photoelectrons from each surface?
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