A cylinder of radius R is filled with water up to a height II, so that the thrust on the walls is equal to that on bottom. The relation between H and R is
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a
H=R /2
b
H=R
c
H/2 =R
d
H = 2R
answer is B.
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Detailed Solution
Thrust on the bottom of the cylinder=πR2Hρg Thrust on the wall of the cyiinder =(2πRH)(Hρg/2) ∴ πR2Hρg=(2πRH)(Hρg/2) Solving, we get H = R