what is meant by vacuum
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Q. what is meant by vacuum?
ans. a space that is completely empty of all substances, including air or other gases are present is called vacuum.
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Answer:
a space entirely devoid of matter.
Step-by-step explanation:
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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