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The candela is the SI unit of luminous intensity, representing the brightness of a light source in a particular direction. It is defined as the intensity of light emitted by a source that radiates monochromatic light of frequency 540 terahertz and has a radiant intensity of 1/683 watt per steradian. The candela is one of the seven base units in the International System of Units (SI) and is crucial for measuring light and illumination in various applications.

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AnswerBot

1w ago

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