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a) What is the energy of a photon (in eV) that has a wavelength of 466...

a) What is the energy of a photon (in eV) that has a wavelength of 466 nm? (3 digit answer)

b) What is the energy (in eV) of a photon that has a wavelength of 460 nm?

c) What is the wavelength of a photon that has 2.1 eV of kinetic energy? (format of a.b x 10-c m )

d) a photoelectric surface has a work function of 2.00 eV. What is the threshold frequency of this surface?  (format of a.bc x 10de Hz)

e) What is the stopping voltage for an electron that has 7.30 x 10-19 J of kinetic energy ? (3 digit answer)

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