Question

what is the velocity of light ?​

Answer 1

Answer:

speed of light in a vacuum is now defined as exactly 299,792,458 metres per second.

Answer 2

the velocity of light is approximately

$3 \times {10}^{8} \: \frac{m}{s}$

the actual and accurate velocity of light is 299,792,458 m/s.

this is the velocity of light in vacuum and in other mediums the speed of light decreases

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