noun
- The emission of electrons from a material when light shines on it; plural of photoemission.
Usage: physics; technical
Examples
- The photoemissions from the metal surface increased as the light intensity grew stronger.
- Scientists studied photoemissions to understand the photoelectric effect.
- Different materials exhibit varying rates of photoemissions depending on their work function.
- The detector measures photoemissions to determine the energy of incoming photons.
- Photoemissions are crucial in the operation of photomultiplier tubes.