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Derive an expression for obtaining the diameter, d of a molecule of oil

An oil drop of volume V m3 introduced on the surface of water spreads to form patch whose area is Am2. Derive an expression for obtaining the diameter, d of a molecule of oil.

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John
Volume of drop = volume of patch

Vm3 = A m2 $\times$ d

d = $\frac{Vm^3}{Am^2}$ = $\frac{V}{A}m$
johnmulu answered the question on February 9, 2017 at 10:02

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