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A metallic wire of diameter `d` is lying horizontally o the surface of water. The maximum length of wire so that is may not sink will be

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A metallic wire of diameter `d` is lying horizontally o the surface of water. The maximum length of wire so that is may not sink will be
A. `sqrt((2T)/(pidg))`
B. `sqrt(2piT dg)`
C. `sqrt((2piT)/(dg))`
D. `sqrt((dg)/(2piT))`
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Correct Answer - A
`2Tl cos theta=pil^(2) ldgrArr r=sqrt((2T)/(pi dg))`
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