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2 points ST 7A.2-When radiation of wavelength 165 strikes a certain metal surface, electrons are ejected iwth a speed of 1.240km/s. What is the value

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2 points ST 7A.2-When radiation of wavelength 165 strikes a certain metal surface, electrons are ejected iwth a speed of 1.240km/s. What is the value of this metal's work function (in eV ). An electron-volt (eV ) is a very small unit of energy; one eV is 1.6021019J

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