When light of wavelength 350 nm falls on a potassium


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

(b) the cutoff wavelength

(c) the frequency corresponding to the cutoff wavelength

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Physics: When light of wavelength 350 nm falls on a potassium
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