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Which of the ...

Question

Which of the following diagrams correctly shows the relation between the terminal velocity $V_{T}$ of a spherical body falling in a liquid and viscosity $ν$ of the liquid?

A

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B

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C

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D

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Solution

The correct option is C
$f_{t} = 6 π η r V \Rightarrow V \propto \frac{1}{η}$
& Velocity decreases for each terminal velocity.

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