1.

In the Searle's method to determine the Young's modulus of a wire, a steel wire of length 156 cm and diameter 0.054 cm is taken as experimental wire. The average increase in length for 1 1/2 kg wt is found to be 0.050 cm. Then the Young's modulus of the wire.

Answer»

`3.002xx10^(11)N//m^(2)`
`1.002xx10^(11)N//m^(2)`
`2.002xx10^(11)N//m^(2)`
`2.5xx10^(11)N//m^(2)`

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