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Answer to Question #56315 in Other Chemistry for Emmanuel

Question #56315
Light with a wavelength of 400 nm strikes the surface of cesium in a photocell, and the maximum
kinetic energy of the electrons ejected is 1.54 x 10‐19J. Calculate the longest wavelength of light that
is capable of ejecting electrons from that metal. (1 nm = 10‐9 m)
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