1.

The vessel shown in the figure has two sections. The lower part is a rectangular vessel with area of cross-section A and height h. The upper part is a conical vessel of height h with base area A and top area `a` and the wals of the vessel are inclined at an angle `30^(@)` witht he vertical.A liquid of density `rho` fills both the sections upto a height 2h. Neglect atmospheric pressure.A. The force F exerted by the liquid on the base of the vessel is `2hrhog .((A +a ))/(2)`B. The pressure P at the base of the vessel is `2hrhog.(A)/(a)`C. The weight of the liquid W is greater than the force exerted by the liquid on the baseD. the walls of the vessel exert a downward force on the liquid.

Answer» Correct Answer - D
`F_(base)=Pxx"area"=rhog(2h)(A)`


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