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Two communicating cylindrical tubes cont...

Two communicating cylindrical tubes contain mercury. The diametr of one vessel is four times large than the diameter of the outer. A column of water of heigt `70 cm` is poured into the narrow vessel. How much wil the mercury level rise in the other vessel and how much will it sink in the narow one? How much will the mercury level rise in the narrow vessel, if a column of water of the same height is pured into the broad vessel?

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[0.5 cm, 4.5 cm result will be same]
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