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A water tank is 20 m deep. What is the pressure at thebottom of the tank in atmosphere? |
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Answer» 3 atmExplanation:Pressure at the bottom of tank = ATMOSPHERIC pressure + pressure due to the LIQUID column.i.e.P = P₀ + ρ h GP = ( 1 + ρ h g / P₀ ) atmWe have given : HEIGHT h = 20 mPutting value here we getP = ( 1 + 20 ρg / 10⁵ ) P = 3 atmTherefore , pressure at the bottom of the tank in atmosphere is 3 atm. |
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