Question

What is the difference between vacuum and high vacuum?

Answer 1

Dear Student,

Vacuum id defined as space devoid of matter. Just like our universe is said to be vacuum as no air is present there. We in terms of air , calculate High or Low vacuum. The value is estimated as Vacuum with a gaseous pressure much less than 10^-4 atmospheric pressure is low vacumm. Whereas the vacuum with pressure lower than 10^-8 is said to be high vacuum.

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