Speed Of Light (Noun)
Meaning
The speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second.
Classification
Nouns denoting time and temporal relations.
Examples
- The speed of light is a fundamental constant of the universe and a cornerstone of modern physics.
- According to Einstein's theory of special relativity, the speed of light is the same for all observers, regardless of their relative motion.
- The speed of light in a vacuum is approximately 186,282 miles per second, which is incredibly fast compared to other physical phenomena.
- Scientists have made precise measurements of the speed of light using a variety of techniques, including interferometry and spectroscopy.
- The constancy of the speed of light has been confirmed by numerous experiments and is now a widely accepted scientific fact.