Urdu Meanings, Pronounciation and Synonyms:
light speed
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: light speed
| 1. light speed [ Synonyms: c, speed of light] | |
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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
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