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The work function of iron is 4.7 eV.
(a) What is the threshold wavelength of iron?
____ nm
(b) Iron is exposed to radiation of wavelength 156 nm. What is the maximum kinetic energy of the ejected electrons in eV?
____ eV
(a) What is the threshold wavelength of iron?
____ nm
(b) Iron is exposed to radiation of wavelength 156 nm. What is the maximum kinetic energy of the ejected electrons in eV?
____ eV