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Question: 4 the wavelength of the photoelectric threshold for silver is...

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4. The wavelength of the photoelectric threshold for silver is 3,250 x10-10 m. Determine the velocity of electron ejected from a silver surface by ultraviolet light of wavelength 2,536 x1010 m 5. What is the maximum wavelength (in nm) of light required to produce any current via the photoelectric effect if the anode is made of copper, which has a work function of 4.7 eV?

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