82. It is known that the work function of an electron from cesium is 1.89 eV. Calculate:
a) the maximum kinetic energy of photoelectrons emitted from cesium when it is irradiated with yellow light with a wavelength of 0.589 microns; b) the red border of the photoelectric effect for cesium.

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