Solving a problem in physics section 7 paragraph 22 qua

Solving a problem in physics section 7 paragraph 22 qua

22. When illuminated cathode light with wavelengths of 440 nm initially and then 680 nm found that the potential barrier has changed by 3.3 times. Determine the electron work function.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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