Question: The work function for cesium is 1.9eV. (a) Find the threshold frequency and wavelength for the photoelectric effect. Find the maximum kinetic energy of the

The work function for cesium is 1.9eV.

(a) Find the threshold frequency and wavelength for the photoelectric effect. Find the maximum kinetic energy of the electrons if the wavelength of the incident light is

(b) 250 nm,

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