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Problem 6.20 When light with a wavelength of 58.5 nm strikes the surface of tin metal,electrons are ejected with a maximum kinetic energy of 2.69 × 10^-18 J. What is

the binding energy of these electrons to the metal? c= 299,792,458 m/s; h= 6.62607015×10^-34 Js

Fig: 1