Physics, 21.09.2019 16:30 bnnn

Upon being struck by 240-nm photons, a metal ejects electrons with a maximum kinetic energy of 1.45 ev. what is the work function of this metal? (a) 3.73 ev (b) 3.13 ev (c) 4.33 ev (d) 4.92 ev

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Upon being struck by 240-nm photons, a metal ejects electrons with a maximum kinetic energy of 1.45...