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If the excess pressure inside a soap bubble isbalanced by an oil column of height 2 mm,then the surface tension of soap solution will be(r 1 cm, density of oil 0.8 g/cm3)(1) 3.9 N/nm(3) 3.9 x 10- N/m (4) 3.9x 10-1 N/m(2)3.9% 10-2 N/m |
| Answer» If the excess pressure inside a soap bubble isbalanced by an oil column of height 2 mm,then the surface tension of soap solution will be(r 1 cm, density of oil 0.8 g/cm3)(1) 3.9 N/nm(3) 3.9 x 10- N/m (4) 3.9x 10-1 N/m(2)3.9% 10-2 N/m | |