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Force and Pressure — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceForce and Pressure2 Marks
Question
If a vacuum is created between two Magdeburg hemispheres joined together, they cannot be separated easily, What presses the hemispheres together?
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Answer

The two hemispheres pressed together when vacuum is created between them because air is pumped out of the interior which create the remarkable force between them to stick together.

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