A ball of density ρ is released from the surface of a liquid whose density varies with depth h as ρl = αh.

A ball of density ρ is released from the surface of a liquid whose density varies with depth h as ρ_l = αh. Here α is a positive constant.

Column I	Column II
(a) Upthrust on ball	(p) will continuously decrease
(b) Speed of ball	(q) will continuously increase
(c) Net force on ball	(r) first increase then decrease
(d) Gravitational potential energy of ball	(s) first decrease then increase

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