quang điện
Definition
- Noun (Physics):
- Photoelectricity: The phenomenon where light (or other electromagnetic radiation) causes the emission of electrons from a material's surface.
- Photoelectric: Used as an adjective to describe devices, effects, or properties related to this phenomenon.
Usage Examples
- Noun:
- Hiệu ứng quang điện được Albert Einstein giải thích. (The photoelectric effect was explained by Albert Einstein.)
- Tế bào quang điện chuyển đổi ánh sáng thành điện năng. (A photoelectric cell converts light into electrical energy.)
Advanced Usage
- "Hiệu ứng quang điện": The photoelectric effect.
- Thí nghiệm về hiệu ứng quang điện rất quan trọng trong vật lý lượng tử. (The experiment on the photoelectric effect is very important in quantum physics.)
Variants and Related Words
- Tế bào quang điện (n): Photoelectric cell; a device that generates an electrical signal when exposed to light.
- Quang điện tử (n): Photoelectron; an electron emitted from a material due to the photoelectric effect.
Synonyms
- Photoelectric effect: The emission of electrons when light hits a material.
- Photoemission: Another term for the electron emission process.
Related Concepts
- Năng lượng photon: Photon energy; the energy carried by a light particle, which is central to the photoelectric effect.
- Ngưỡng quang điện: Photoelectric threshold; the minimum frequency of light required to cause electron emission.