Speed of light in vacuum (c) = 3 x 10⁸ m/sec Explanation
In km/sec, it is close to 300K Kilometres/sec. If you could travel at the speed of light, you could go around the Earth 7.5 times in one second.
In km/sec, it is close to 300K Kilometres/sec. If you could travel at the speed of light, you could go around the Earth 7.5 times in one second.