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A metallic wire of diameter d is lying h...

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))`

Text Solution

Verified by Experts

The correct Answer is:
A
`2Tl cos theta=pil^(2) ldgrArr r=sqrt((2T)/(pi dg))`
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