1.

Two wires of different material have same Lengths and areas of cross-section. What is the ratio of their increase in length when forces applied are the same ? (Y_(1)=0.90xx10^(11)Nm^(-2),Y_(2)=3.60xx10^(11)Nm^(-2).)

Answer»

`4:1`
`1:4`
`2:1`
`1:2`

ANSWER :1


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