Question

When light of wavelength 240 nm falls on a carbon surface, electrons having a maximum kinetic...

When light of wavelength 240 nm falls on a carbon surface, electrons having a maximum kinetic energy of 0.17 eV are emitted. Find values for the following.

(a) the work function of carbon

(b) the cutoff wavelength
nm

(c) the frequency corresponding to the cutoff wavelength

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