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Grade: 12th pass

                        

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.

4 years ago

Answers : (1)

Vikas TU
12276 Points
							
We know the SURFACE TENSION as:
T = force/length 
or  = F/l
F =>  mg = g*PI*r^2*d*length 
calculating r value from here we get, 
r = root( m / g*pi*d*length)
4 years ago
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