The stopping potential for electrons emitted from a surface illuminated by light of wavelength 507 nm is 0.780 v. when the incident wavelength is changed to a new value, the stopping potential is 1.42 v. (a) what is this new wavelength? (b) what is the work function for the surface?
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The stopping potential for electrons emitted from a surface illuminated by light of wavelength 507 n...
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