On the layer of potassium fall ultraviolet photocell

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Uploaded: 27.02.2014
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Description

On the layer of potassium photocell fall ultraviolet rays with a wavelength of 240 nm. To stop the emission of electrons, a potential difference needs detaining least U3 = 3 V. Determine the electron work function (in electron volts).

Additional information

Task 50076. Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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