Question

What is the speed of light in Km

Answer 1

Explanation:

The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. In miles per hour, light speed is, well, a lot: about 670,616,629 mph.

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Answer 2

Speed of light =3*10^8m/sec

3×10^8×18/5=299,792km/sec

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