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a) In a particular photoelectric effect experiment, photons with an energy of 5.10 eV are incident...

a)

In a particular photoelectric effect experiment, photons with an energy of 5.10 eV are incident on a metal surface, producing photoelectrons with a maximum kinetic energy of 3.20 eV.

Calculate the work function of the metal.
_______ eV

b) In a particular photoelectric effect experiment, photons with an energy of 5.10 eV are incident on a metal surface, producing photoelectrons with a maximum kinetic energy of 3.20 eV. The photon energy is then adjusted to 6.40 eV. Calculate the maximum kinetic energy of the photoelectrons now.
_______ eV

c) Calculate the wavelength, in nanometers, of a 6.40 eV photon.
_______ nm

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