The work function of lithium is 2.5 eV. The maximum wavelength of light that can cause the photoelectric effect in lithium is ______________ a) 3980 Å b) 4980 Å c) 5980 Å d) 6980 Å
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The work function of lithium is 2.5 eV. The maximum wavelength of light that can cause the
a) 3980 Å
b) 4980 Å
c) 5980 Å
d) 6980 Å
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- Light with a wavelength of 550 nm illuminates a metallic surface with a work function of 1.10 eV. a. What is the maximum speed of the photoelectron? b. What is the minimum potential difference required to stop the electrons? *I ask that the answer be written with clear and readable handwriting or typed*helpThe work function of cesium is 2.1 eV. ▾ Part A Determine the lowest frequency photon that can eject an electron from cesium. Express your answer with the appropriate units. Templates Symbols undo' rego Teset keyboard shortcuts Help Value Units Request Answer Part B Determine the maximum possible kinetic energy in electron volts of a photoelectron ejected from the metal that absorbs a 320-nm photon. Express your answer in electronvolts. Templates Symbols undo' redo Teset keyboard shortcuts Help Kmax= eV f= Submit