Standard Candle (Noun)
Meaning
The basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin.
Classification
Nouns denoting quantities and units of measure.
Examples
- The new LED bulb was calibrated to match the standard candle of the laboratory to ensure accurate measurements.
- In the 19th century, the standard candle was used as a reference point for comparing the brightness of various light sources.
- The physicist carefully adjusted the lamp to emit exactly one standard candle of luminous intensity for the experiment.
- To determine the luminosity of the star, astronomers used the standard candle method, comparing its brightness to that of a known reference source.
- The standard candle was defined as 1/60 of the luminous intensity per square centimeter of a black body radiating at 2,046 degrees Kelvin.