Question

what is the speed of light? prove it

Answer 1

speed of light is 3*10^8

Answer 2

speed of light:-

3×10⁸m/s=299 792 458 m / s

proof:-

The speed of light can be used with time of flight measurements to measure large distances to high precision. Ole Rømer first demonstrated in 1676 that light travels at a finite speed (as opposed to instantaneously) by studying the apparent motion of Jupiter's moon Io.

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