Solved: When light of wavelength 350 nm falls on a

Chapter 27, Problem 27.33

(choose chapter or problem)

When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. Find (a) the work function of potassium, (b) the cutoff wavelength, and (c) the frequency corresponding to the cutoff wavelength.

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