1.

B-3.A block of volume V and of densityis placed in liquid of density σ(o? σ), then block is movedupward upto a height h and it is still in liquid. The increase in gravitational potential energy of the blockIS(A) ơbvgh(C) (ab-a)Vgh(D) none of these

Answer» <p>Option B is correct according to principal of effluxes.</p>


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