When monochromatic light of an unknown wavelength falls on a sample of silver, a minimum potential of 2.85 V is required to stop all of the ejected photoelectrons. (The work function for silver is 4.73 eV.) Determine the maximum speed (in m/s) of the ejected photoelectrons. Determine the wavelength in nm of the incident light.

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When monochromatic light of an unknown wavelength falls on a sample of silver, a minimum potential of 2.85 V is required to stop all of the ejected photoelectrons. (The work function for silver is 4.73 eV.)

Determine the maximum speed (in m/s) of the ejected photoelectrons.

Determine the wavelength in nm of the incident light.

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