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Physics-

General

Easy

Question

A wooden cylinder of diameter 4r, height H and density $rho$ /3 is kept on a hole of diameter 2r of a tank, filled with liquid of density $rho$ as shown in the figure. Now level of the liquid starts decreasing slowly. When the level of liquid is at a height $h subscript 1 end subscript$ above the cylinder the block starts moving up. At what value of $h subscript 1 end subscript$ , will the block rise :–

$\frac{4 h}{9}$
$\frac{5 h}{9}$
$\frac{5 h}{3}$
remains same

The correct answer is: $fraction numerator 5 h over denominator 3 end fraction$

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