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A metallic wire of density d floats in water. They max. radius of the wire so that the wire may not sink will be(surface tension of water = T and angle of contact Q = o degree). please explain.
We know the SURFACE TENSION as:T = force/length or = F/lF => mg = g*PI*r^2*d*length calculating r value from here we get, r = root( m / g*pi*d*length)
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