Find the cutoff wavelength for iron

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Reference no: EM13337047

The work function for iron is 4.50 eV.

(a) Find the cutoff wavelength for iron.

nm

(b) What is the lowest frequency of light incident on iron that releases photoelectrons from its surface?

Hz

(c) If photons of energy 6.50 eV are incident on iron, what is the maximum kinetic energy of the ejected photoelectrons?

eV

Reference no: EM13337047

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