What is the meaning of Vaccum and medium .....!!!! please give answer in easy and simple words ...!!! ☺️☺️
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Explanation:
Medium vacuum is vacuum that can be achieved with a single pump, but the pressure is too low to measure with a liquid or mechanical manometer. It can be measured with a McLeod gauge, thermal gauge or a capacitive gauge. ... British and German standards define ultra high vacuum as pressures below 10−6 Pa (10−8 Torr).
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Is that vacuum is a region of space that contains no matter while medium is the nature of the surrounding environment, eg solid, liquid, gas, vacuum, or a specific substance such as a solvent.
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