Solving a problem in physics section 66 point 79 quant

Solving a problem in physics section 66 point 79 quant

79. The work function of the electron exit from the surface of cesium is equal to A = 1.6 · 10−19 J. At what speed do electrons escape from cesium if the metal is illuminated by yellow light with a wavelength of λ = 0.586 · 10−6 m?

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)