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Q.

A solid sphere, a cone and a cylinder are floating in water. All have same mass, density and radius. Let f1 , f2 and f3 are the fraction of their volumes inside the water and h1, h2 and h3 depths inside water. Then, 

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a

f3 > f2 > f1 

b

h3 < h2

c

f1 = f2 = f3

d

h3 < h1

answer is A, C, D.

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Detailed Solution

Fraction of volume immersed is given by

f=ρsρl

ρs and ρe are same. Hence,

f1 = f2 = f3

Submerged volume in the three cases are same . So h3<h1 and h3<h2

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