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26A spherical drop of water has radius 1 mm If surface tension of water is 70x 10 3 N/m then calculate the pressuredifference between inside and out side of the spherical drop140 N/m

Answer»

pressure difference=2T/r^2=2*70*10^-3/1*10^-4*1*10^-4=140*10^-3+4+4=140*10^5Pa



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