Question

what is the speed of light in vaccum. and what is vaccum

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Answer 1

Answer:

approximately 300,000 kilometers per second..

A vacuum is space devoid of matter. The word stems from the Latin adjective vacuus for "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure.

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Answer 2

Explanation:

Light travels at approximately 300,000 kilometers per second in a vacuum.

vacuum -vacuum is space devoid of matter. The word stems from the Latin adjective vacuus for "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure.

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