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MHT CET 2026 (19 May, Shift 1) · Terminal Velocity

Terminal Velocity question from MHT CET 2026 (19 May, Shift 1)

Q12MHT CET 2026 · 19 MAY · SHIFT 1Medium

Terminal Velocity

'nn' identical small drops of water are falling down vertically through a medium each with a terminal velocity 'vv'. If they combine to form a single drop, then its terminal velocity is xvxv. The value of xx is

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Answer: (b)

  1. Volume conserved: R=n1/3rR = n^{1/3}r.
  2. v∝r2⇒v′=n2/3vv \propto r^2 \Rightarrow v' = n^{2/3}v
  3. So x=n2/3x = n^{2/3}, answer (b).
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