Ultraviolet light of wavelength 2234 nm illuminates an, Physics

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Ultraviolet light of wavelength 2234 nm illuminates an

Ultraviolet light of wavelength 223.4 nm illuminates an aluminum surface and electrons are ejected. A stopping potential of 1.27 V is able to just prevent any of the ejected electrons from reaching the opposite electrode. What is the work function for aluminum? (in eV) A: 2.19 B: 2.74 C: 3.42 D: 4.28 E: 5.35 PLEASE SHOW ALL WORK

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