Q. 55.0( 4 Votes )

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Answer :

If we consider a tank of height h , filled with water then the pressure at the bottom surface of tank will be (look at the figure also)-







As the pressure at the surface of water is atmospheric, so


Pressure at a depth h below the surface of water = atmospheric pressure + pressure due to water column of height h.


Given that height of tank is h= 10m


The atmospheric pressure = 100 kPa


Density of water =1g/cm3 = 103 kg m–3


The gravitational constant g = 10 m s–2


Then the pressure at a depth h will be = atmospheric pressure + pressure at bottom


= 100kpa +


= 105 N/m2 +103k/m310m/s210m




= 200kpa


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