A drop of water of volume 0.05cm^3 is pressed between two glass plates as a consequence of which
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A drop of water of volume 0.05cm3 is pressed between two glass plates. As a consequence of which it spreads and occupies an area of 40cm2 If the surface tension of water is 70dyne/cm-1, then the normal force required to separate the two glass plates is ________ N
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