Light with a wavelength of 415 nm illuminates a metal cathode. The maximum kinetic energy of the emitted electrons is 0.91 eV.
Part A
What is the longest wavelength of light that will cause electrons to be emitted from this cathode?
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Light with a wavelength of 415 nm illuminates a metal cathode. The maximum kinetic energy of the emitted electrons is 0.76 eV . What is the longest wavelength of light that will cause electrons to be emitted from this cathode?
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