17. The photoelectric threshold in rubidium is λ0 = 0,8 m. Determine the maximum velocity of photoelectrons when irradiated rubidium monochromatic light with a wavelength λ = 0,4 m. What retarding potential difference must be applied to the photocell to stop the current?
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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