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White light, = 400nm to 750nm, falls on cesium ( = 2.10eV). a. What is the maximum kinetic energy of electrons ejected from it? b.

White light, = 400nm to 750nm, falls on cesium ( = 2.10eV).

a. What is the maximum kinetic energy of electrons ejected from it?

b. What wavelength of light would eject photons with 0 kinetic energy?

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