photoelectric
Definition
- Adjective:
- Relating to or involving the electrical effects of light: "photoelectric" describes phenomena where light causes the emission or control of electrical current.
- Pertaining to photoelectricity: "photoelectric" is the adjective form of the noun "photoelectricity," which is electricity produced by light.
Usage Examples
- Adjective:
- The scientist conducted a photoelectric experiment. (The scientist performed an experiment involving the electrical effects of light.)
- This device uses a photoelectric sensor to detect motion. (This device employs a sensor that uses light to generate an electrical signal for motion detection.)
- Einstein's explanation of the photoelectric effect was groundbreaking. (Einstein's explanation of how light causes electron emission was revolutionary.)
Advanced Usage
- "photoelectric cell": a device that generates an electrical current or voltage when exposed to light.
- Early light meters in cameras used a photoelectric cell.
- "photoelectric emission": the release of electrons from a material's surface when it absorbs light.
- The phenomenon of photoelectric emission is crucial for solar panels.
Variants and Related Words
- Photoelectricity (n): electricity produced by or involving the action of light.
- The study of photoelectricity led to many modern technologies.
- Photoelectron (n): an electron emitted from a substance by the photoelectric effect.
- The energy of the photoelectron was measured.
Synonyms
- Photoemissive: relating to the emission of electrons by light.
- The material's photoemissive properties were tested.
Related Phrases and Compounds
- Photoelectric effect: the phenomenon where light shining on a material causes it to emit electrons.
- The photoelectric effect demonstrates the particle nature of light.
- Photoelectric sensor: a device that detects objects or measures distance using a light beam and a photoelectric receiver.
- The automatic door operates with a photoelectric sensor.
Adjective
- of or pertaining to photoelectricity
- the photoelectric effect
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