Task 50285.
A flat tungsten plate is illuminated with light of 0.2 microns wavelength. Find tension uniform retarding field outside the plate, if the photoelectron can withdraw from it at a distance of 4 cm. The electron work function of 4.5 eV tungsten.
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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