A hemispherical bowl just floats without sinking in a liquid of density 1.2 x 103 kg/m3. If the outer diameter and the density of the bowl are 1m and 2 x 104 kg/m3 respectively, then the inner diameter of the bowl will be
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a
1.91 m
b
0.5m
c
0.98 m
d
1.75 m
answer is C.
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Detailed Solution
Let ‘d’ be the inner diameter. weight of displaced liquid = weight of the body m1g = mgVol. of displaced. Liquid x density of liquid = Vol. of the body x density of the body4π3123×1.2×103=4π3123−d23×2×104