57. Determine how many times the maximum kinetic energy of photoelectrons liberated from the surface of zinc (work function of 4.0 eV) with monochromatic light with a wavelength λ = 220 nm, greater than the average energy of the thermal motion of the electrons at a temperature of 27 ° C.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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