1.

Four spheres a,b,c,d of same material and equal volume are dropped into four liquids of densities d_(1),d_(2),d_(3) and d_(4)(d_(1)gtd_(2)gtd_(3)gtd_(4)). The ascending order of terminal ve-locities (eta is same)

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a,b,C,d
d,c,b,a
d,c,a,b
b,c,d,a

Answer :A


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