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Reynold's Number

The terminal ...

Question

The terminal velocity depends upon:

A

\frac{1}{r}

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B

\frac{1}{r^{2}}

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C

\frac{1}{r^{3}}

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D

r^{2}

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Solution

The correct option is B $r^{2}$
Terminal velocity, $v_{T} = \frac{2 r^{2} g}{9 η} (ρ - σ), v_{T} \propto r^{2}$

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represent the exradii and r represents the inradius then,

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represent the exradius and r represents the in radius then,

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