What is the speed of light?
Answers
Answered by
25
The distance light can travel in a unit of time through a given substance. Light travels through a vacuum at about 186,000 miles, or 300,000 kilometers, per second. (See E = mc2, electromagnetic waves, relativity, and twin paradox.)
Answered by
22
Answer:
spead of light is 1080000000km/hr
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