Mechanical Properties of Solids

Question: Young's modulus of rubber is ${{10}^{4}}\,N/{{m}^{2}}$ and area of cross-section is $2\,c{{m}^{2}}$. If force of $2\times {{10}^{5}}$dynes is applied along its length, then its initial length $l$ becomes



1) $3L$
2) $4L$
3) $2L$
4) None of the above
Solution: Explanation: No Explanation
Young’s Modulus Breaking Stress

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