torricellian vacuum definition in short
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an air-free space above the free surface of a liquid in a vessel that is closed above the liquid. At sea level the height of the column is approximately 760 mm; if the tube is longer than 760 mm, a vacuum is formed above the surface of the mercury. ...
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an air-free space above the free surface of a liquid in a vessel that is closed above the liquid. At sea level the height of the column is approximately 760 mm; if the tube is longer than 760 mm, a vacuum is formed above the surface of the mercury. ...
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