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9-1.Fluid Mechanics
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A small drop of water falls from rest through a large height $h$ in air; the final velocity is ................
A
Proportional to $\sqrt{h}$
B
Proportional to $h$
C
Inversely proportional to $h$
D
Almost independent of $h$
Solution
(d)
Since drop is falling from a large height it achieves its terminal velocity and then there is no further increase in velocity so $v$ is independent of ' $h$ ' if ' $h$ ' is very large.
Standard 11
Physics
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