Determine the work function of potassium

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Reference no: EM13268254

When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. Find values for the following.

(a) the work function of potassium

eV

(b) the cutoff wavelength

nm

(c) the frequency corresponding to the cutoff wavelength

Hz

Reference no: EM13268254

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