When a retention potential difference fototo

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When a retention potential difference photocurrent from the illuminated surface of lithium (work function of 2.39 eV) is terminated. By changing the wavelength of the light 1.5 times we found that photocurrent necessary for the termination of retarding potential difference increase twice. Find the original frequency of the incident light.

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Задача 50212. Подробное решение с краткой записью условия, формул и законов, используемых в решении, выводом расчетной формулы и ответом.
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