photoelectrical
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Definition
- Adjective:
- Relating to or involving photoelectricity: Describing phenomena, effects, or devices that involve the emission of electrons from a material when it absorbs electromagnetic radiation, especially light.
Usage
- The adjective "photoelectrical" is used to modify nouns related to the scientific principle where light causes the release of electrons. It is synonymous with "photoelectric" and is primarily used in technical and scientific contexts.
- Example: "The properties of the new semiconductor material were under study."
Examples
- Adjective:
- The laboratory specializes in photoelectrical measurements.
- Understanding the photoelectrical threshold is crucial for designing solar cells.
- His research paper analyzed the photoelectrical response of various metals.
Advanced Usage
- "Photoelectrical effect": This is the full term for the phenomenon, though "photoelectric effect" is more common. It refers to the emission of electrons when light hits a material.
- Einstein's explanation of the photoelectrical effect was pivotal for quantum mechanics.
Variants and Related Words
- Photoelectric (adj): The more frequently used variant, identical in meaning to "photoelectrical".
- Photoelectric cells convert light into electricity.
- Photoelectricity (n): The branch of physics or the phenomenon itself involving the conversion of light into electrical energy.
- The course covered the fundamentals of photoelectricity.
Synonyms
- Photoemissive: Specifically relating to the emission of electrons by light.
Related Phrases
- Photoelectrical cell / Photoelectric cell: A device that generates an electrical signal or current when exposed to light.
- The automatic door uses a photoelectrical cell to detect movement.
- Photoelectrical emission / Photoelectric emission: The process of electron ejection due to light absorption.
- The experiment demonstrated photoelectrical emission from a cesium surface.
Adjective
- of or pertaining to photoelectricity
- the photoelectric effect