1. The photoelectric effect is the ejection of electrons by a metal when struck with light of
sufficient energy. If a beam of light with energy = 3.960 eV is applied to a sodium metal
surface (work function = 2.384 eV), what is the maximum kinetic energy of the ejected
electrons? * Ke max; the maximum kinetic energy of the ejected electron
1
Expert's answer
2015-10-26T05:22:11-0400
KE,max = hv - φ = 3.960 eV - 2.384 eV = 1.576 eV Answer: 1.576 eV
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