Questions
If the atmospheric pressure is 76cm of mercury at what depth of water the pressure will become 4 atmospheres?
detailed solution
Correct option is A
76 cm of Hg is 1 atm=1.013×105 Pah is the depth where total pressure is 4 atmP-P0=hdwg 4-1×1.013×105=hdwgh=3×1.013×1051000×9.8=31m[ total pressure at any depth h is (H + h) dg H→atm. pressure]Talk to our academic expert!
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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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