Photometry

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

In collections

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What Wikipedia says

Photometry is a branch of optics that deals with measuring light in terms of its perceived brightness to the human eye. It is concerned with quantifying the amount of light that is emitted, reflected, transmitted, or received by an object or a system.

Excerpt from the Wikipedia article “Photometry (optics)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Dicklyon at English Wikipedia, Public domain, via Wikimedia Commons.