Young's Modulus and Elastic Limit

2024 1 question

1. 1 Mechanical Properties of Solids Easy
   The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young's modulus, respectively, are $8 \times 10^{8}$ N m$^{-2}$ and $2 \times 10^{11}$ N m$^{-2}$, is:
   A 40 mm B 8 mm C 4 mm D 0.4 mm
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