Luminous intensity

ID: luminous-intensity

Luminous intensity is a measure of the amount of light emitted from a source in a particular direction per unit solid angle. It is a fundamental concept in photometry, which is the science of measuring visible light as perceived by the human eye. The unit of luminous intensity in the International System of Units (SI) is the candela (cd).
Luminous intensity by Ciro Santilli 37 Created 2024-07-29 Updated 2025-07-16

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