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A column of mercury of 10cm length is co...

A column of mercury of 10cm length is contained in the middle of a narrow horizontal 1m 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. By what distance will the column of mercury be displaced if the tube is held vertically?

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Verified by Experts

The correct Answer is:
by 3 cm downwards
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