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0 votes
1.6k views
in Physics by (69.9k points)

A vessel contains oil(density=0.8 gm/cm3 ) over mercury(density=13.6 gm cm3 ).A homogeneous sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of the sphere in gm/cm3 is

(A) 3.3 

(B) 6.4 

(C) 7.2 

(D) 12.8

1 Answer

+1 vote
by (69.4k points)
edited by
 
Best answer

The correct option is (C) 7.2

Explanation:

Wt. of sphere = Up trust due to Hg + Upthrust due to oil

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