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MHT CET 2026 (11 Apr, Shift 1) · Terminal Velocity

Terminal Velocity question from MHT CET 2026 (11 Apr, Shift 1)

Q13MHT CET 2026 · 11 APR · SHIFT 1Medium

Terminal Velocity

Two rain drops of same radius ' $r$ ' falling with same terminal velocity ' $V$ ' merge and form bigger drop of radius ' $R$ '. The terminal velocity of big drop is

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Answer: (a)

$v \propto r^2$ (same liquid, same density).
$\dfrac{v'}{V} = \dfrac{R^2}{r^2} \Rightarrow v' = \dfrac{VR^2}{r^2}$
So the answer is (a).

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