A hemispherical bowl just floats without sinking in a liquid of density 1.2 × 10 3 kg/m 3 . If outer diameter and the density of the bowl are 1 m and 2 × 10 4 kg/m 3 respectively, then the inner diameter of the bowl will be
Text Solution
Verified by ExpertsThe correct answer is:
C
Weight of the bowl = mg
= 
where D = Outer diameter,
d = Inner diameter
= Density of bowl
Weight of the liquid displaced by the bowl
where 
is the density of the liquid.
For the flotation 
⇒ ⇒ 
By solving we get d = 0.98 m.
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