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The work function for sodium is 2.46 eV.

(a) Find the cutoff wavelength for sodium.
 nm

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

(c) If photons of energy 4.02 eV are incident on sodium, what is the maximum kinetic energy of the ejected photoelectrons?
 eV

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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