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Helium is an important element in laser applications. Consider the emission from a He+ atom that results from an electronic transition of n=4 to n=2.
Helium is an important element in laser applications. Consider the emission from a He+ atom that results from an electronic transition of n=4 to n=2. Could this emission photoeject an electron from a gold surface (via the photoelectric effect), which has a work function of 5.1 eV and if so, how much kinetic energy does the electron possess?
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