1.

Two wires of same material and length are stretchedby the same force. If the ratio of radii of the two wires in n:1 then the ratio of their elongation is

Answer»

`n^(2):1`
`1:n^(2)`
`1:n`
`n:1`

SOLUTION :`(r_(1))/(r_(2)) =(n)/(1) therefore (l_(1))/(l_(2))=?`
`(l_(1))/(l_(2))=((r_(2))/(r_(1)))^(2)=(1)/(n^(2))`


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