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a column of Hg of 10cm length is contained in the middle of a narrow horizontal tube of 1 metre length closed at both ends.Both the halves of the tube contain air at a pressure 76cm of Hg.By what distance will the column of Hg be displaced if the tube is held vertical please sir i need it urgently


a column of Hg of 10cm length is contained in the middle of a narrow horizontal tube of 1 metre length closed at both ends.Both the halves of the tube contain air at a pressure 76cm of Hg.By what distance will the column of Hg be displaced if the tube is held vertical
         please sir i need it urgently
 


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