Physical constant

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

A physical constant is a non-varying quantity that appears in a theory or model of some physical phenomena. Some physical constants appear in models of fundamental phenomena and impact many parts of physics.

Excerpt from the Wikipedia article “Physical constant”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Emilio Pisanty, CC BY-SA 4.0, via Wikimedia Commons.