Solution to task 557 from Chertov´s for extramural stud

Solution to task 557 from Chertov´s for extramural stud

557. Monochromatic light with a wavelength λ = 0.1 µm falls on the metal surface. The red border of the photoelectric effect is λ0 = 0.3 μm. What fraction of the photon´s energy is spent on imparting kinetic energy to the electron?

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