Question

what is speed of light in vacuum​

Answer 1

Explanation:

speed of light in vacuum is 3×10^8m/s

hope it helps you

Answer 2

Answer:

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☞what is speed of light in vacuum?

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☞The speed of light in vacuum is

$3 \times 10 {}^{8} m \: per \: second$

☞It is denoted by c.

▪Extra Knowledge ▪

☞What is light?

☞Light is a form of energy which provides sensation of seeing any thing.

☞light is transverse wave.

hope this answer helps you