photoelectric threshold


noun Physics.

the minimum frequency or maximum wavelength of incident radiation necessary to release photons from a given surface.

Nearby words

  1. photoelectric cell,
  2. photoelectric current,
  3. photoelectric effect,
  4. photoelectric magnitude,
  5. photoelectric meter,
  6. photoelectricity,
  7. photoelectron,
  8. photoelectrotype,
  9. photoemission,
  10. photoeng.

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