Задача 50393.

With alternate illumination of the surface of a metal with light with wavelengths of 0.35 μm and 0.54 μm, the corresponding maximum speeds of photoelectrons differ by a factor of 2. Find the work exit of electrons from the surface of this metal.

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.