From Bioblast
Description
The candela, symbol cd, is the SI unit of luminous intensity in a given direction. It is defined by taking the fixed numerical value of the luminous efficacy of monochromatic radiation of frequency 540 Γ 1012 Hz, Kcd, to be 683 when expressed in the unit lm Wβ1.
Abbreviation: cd
Reference: Bureau International des Poids et Mesures (2019) The International System of Units (SI). 9th edition:117-216 ISBN 978-92-822-2272-0. - Β»Open Access pdfΒ«
Template:Keywords SI base units
MitoPedia concepts:
Ergodynamics