Solving a problem in physics section 18 paragraph 90 qu

Solving a problem in physics section 18 paragraph 90 qu

90. Lighting alternately photocathode two different monochromatic source located at equal distances from the cathode, depending got two (1 and 2) of the photocurrent on the voltage between the cathode and the anode (Fig.). Explain what is the difference between these sources.

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