A U tube with limbs of diameters 5mm and 2mm contains water of surface tension 7x10 N m angle of contact is zero and density 10

Question

A U tube with limbs of diameters 5mm and 2mm contains water of surface tension 7x10 N m angle of contact is zero and density 10 kg m The difference in the level in the two limbs is g 10 m s 7 7 mm 6 8 mm 9 5 mm 8 4 mm

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