Question

what do u mean by speed of light​

Answer 1

Answer:

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.)

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Answer 2

Speed Of Light

The distance light can travel in a unit of time through a given substance.

⇒'c' denotes the speed of light in vaccum.

⇒The speed of light is measured to have the constant value of c = 3.00 x 10^8 m/s no matter who measures it.