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rvc (rvc):
If two glass plates have water between them and are separated by very small distance,it is very difficult to pull them apart.it is because the water in between forms cylindrical surface on the side that gives rise to lower the pressure in the water in comparison to atmosphere.If the radius of the cylindrical surface is R and the surface tension of water is T,then the pressure in water between the plates is lower by A)T/4R B)T/2R C)4T/R D)2T/ R
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rvc (rvc):
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