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Photoelectric effect problem If a photoelectric effect experiment is set up where Cd is the metal in the system, with a work function (minimum energy to eject photoelectrons) of 6.52 x 10-19 J, what wavelength (in nm) would result in photoelectrons of 1.20 x 10-19 J kinetic energy?

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Jean Keeling
Jean KeelingLv2
28 Sep 2019
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Related questions

in his explanation of the threshold frequency in the photoelectric effect, Einstein reasoned that the absorbed photon must have the minimum energy required to dislodge an electron from the metal surface. This energy is called the work function of that metal. What is the longest wavelength of radiation (in nm) that could cause the photoelectric effect in each of the following metals?a. Silver, (work function) = 7.59 x 10 -19 J ? nmb.Tungsten, (work function) = 7.16 x 10 -19 J ? nmc. Sodium, (work function) = 4.41 x 10-19J ?nm


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