Entity: PHOTOELECTRIC
Photoelectric refers to electrical effects resulting from the interaction of radiation, such as light, with matter. It involves the release of electrically charged particles when materials absorb electromagnetic radiation.
PHOTOELECTRIC
Etymology
The term 'photoelectric' is derived from the Greek words 'phos' meaning light and 'electric' relating to electricity.
Definition
Photoelectric refers to electrical effects resulting from the interaction of radiation, such as light, with matter. It involves the release of electrically charged particles when materials absorb electromagnetic radiation.
Historical Context
The photoelectric effect was first observed by Heinrich Hertz in 1887 and further explained by Albert Einstein in 1905, leading to the development of quantum theory.
Cultural Significance
The photoelectric effect has significant applications in various fields, including photovoltaic cells, light sensors, and electronic devices.
Related Concepts
- Quantum theory
- Electromagnetic radiation
- Photovoltaic cells
See Also
Pertaining to the electronic or other electric effects produced by light.