The cutoff wavelength for a metal is found to be 300 nm


The cutoff wavelength for a metal is found to be 300. nm.

(a) Calculate the work function for this metal.

eV

(b) The metal is illuminated by light of wavelength 275 nm. Calculate the maximum kinetic energy of the emitted electrons.

eV

(c) Express this energy in joules.

J

(d) Calculate the maximum velocity of the emitted electrons.

m/s

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Physics: The cutoff wavelength for a metal is found to be 300 nm
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