Problem: When light of wavelength 200 nm shines on a certain metal surface, the maximum kinetic energy of the photoelectrons is 3.6 eV. What is the maximum wavelength of light that will produce photoelectrons from this surface?

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When light of wavelength 200 nm shines on a certain metal surface, the maximum kinetic energy of the photoelectrons is 3.6 eV. What is the maximum wavelength of light that will produce photoelectrons from this surface?

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