double-slit experiment
double-slit experiment noun: an experiment demonstrating that light and matter can satisfy the seemingly incongruous classical definitions for both waves and particles, regarded as evidence for the fundamentally probabilistic nature of quantum mechanics. A coherent light source, such as a laser beam, illuminates a plate pierced by two parallel slits, and the light passing through the slits is observed on a screen behind the plate, where the wave nature of light causes bright and dark bands due to interference.

Noun
double-slit experiment (plural double-slit experiments)
- An experiment demonstrating that light and matter can satisfy the seemingly incongruous classical definitions for both waves and particles, regarded as evidence for the fundamentally probabilistic nature of quantum mechanics. A coherent light source, such as a laser beam, illuminates a plate pierced by two parallel slits, and the light passing through the slits is observed on a screen behind the plate, where the wave nature of light causes bright and dark bands due to interference.
Forms of double-slit experiment
| plural | double-slit experiments |
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Questions about double-slit experiment
- What does double-slit experiment mean?
- Double-slit experiment means an experiment demonstrating that light and matter can satisfy the seemingly incongruous classical definitions for both waves and particles, regarded as evidence for the fundamentally probabilistic nature of quantum mechanics. A coherent light source, such as a laser beam, illuminates a plate pierced by two parallel slits, and the light passing through the slits is observed on a screen behind the plate, where the wave nature of light causes bright and dark bands due to interference.
- What part of speech is double-slit experiment?
- Double-slit experiment is a noun.
- What is the plural of double-slit experiment?
- The plural of double-slit experiment is double-slit experiments.
Words near double-slit experiment in the dictionary
Source and license
Adapted from Wiktionary: double-slit experiment (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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