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A 19.2 eV photon is incident on a metal surface with a work function of 2.20...

A 19.2 eV photon is incident on a metal surface with a work function of 2.20 eV. What is the maximum kinetic energy of the emitted photoelectron in eV.? Use 3 s.f. in your calculation.

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KE KEmM.oev man

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