Question a column of mercury of 10 cm length is contained, Ask an Expert

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Question: A column of mercury of 10 cm length is contained in the middle of a narrow horizontal 1 m long tube which is closed at both the ends. Both the halves of the tube contain air at a pressure of 76 cm of mercury.

Part A- By what distance the column of mercury be displaced if the tube is held vertically?

If possible just a brief explanation how you got the answer? Thanks.

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