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Q .     Two solid spheres A and B of equal volumes but of different densities `d_{A}` and `d_{B}` are connected by a string. They are fully immersed in a fluid of density `d_{F}`. They get arranged into an equilibrium state as shown in the figure with a tension in the string. The arrangement is possible only if:

JEE 2011 ADVANCED Paper - 2

(This question may have multiple correct answers)

A `d_{A} < d_{F}`
B `d_{B} > d_{F}`
C `d_{A}>d_{F}`
D ` d_{A}+d_{B}=2d_{F}`


The FBD of the top sphere gives us `Vd_Fg=T+Vd_Ag`
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