the liquid surface is depressed by a distance y (\ \textless \ \ \textless \ a). Determine the surface tension of the liquid.
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A container of width 2a is filled with a liquid. A thin wire of mass per unit length \lambda is gently placed over the liquid surface in the middle of the surface as shown in the figure. As a result, the liquid surface is depressed by a distance y (\ \textless \ \ \textless \ [...]
