By a surface of a liquid we mean(a) a geometrical plane like x=0(b) al – InterviewSolution

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1.	By a surface of a liquid we mean(a) a geometrical plane like x=0(b) all molecules exposed to the atmosphere(c) a layer of thickness of the order of 10 m(d) a layer of thickness of the order of 10tm.
Answer» By a surface of a liquid we mean(a) a geometrical plane like x=0(b) all molecules exposed to the atmosphere(c) a layer of thickness of the order of 10 m(d) a layer of thickness of the order of 10tm.

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