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If the atmospheric pressure is 76cm of mercury, at what depth of water the pressure will becomes 4 atmospheres ?
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Correct option is A
pressure at depths = Patm+Pav 4P0=P0+hdwg 3P0=hdwg 3×1.013×105=h×103×9.8 h = 31 mSimilar Questions
Two communicating vessels contain mercury. The diameter of one vessel is n times larger than the diameter of the other. A column of water of height h is poured into the left vessel. The mercury level will rise in the right-hand vessel (s = relative density of mercury and = density of water) by
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