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When monochromatic light of an unknown wavelength falls on a sample of silver, a minimum potential...

When monochromatic light of an unknown wavelength falls on a sample of silver, a minimum potential of 2.55 V is required to stop all of the ejected photoelectrons. (The work function for silver is 4.73 eV.)

HINT

(a)

Determine the maximum kinetic energy (in eV) of the ejected photoelectrons.

  eV

(b)

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

  m/s

(c)

Determine the wavelength in nm of the incident light.

  nm

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