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  4. Under the same load, wire A having length 5.0 m and cross section 2.5 × 10-5 m 2 stretches uniformly by the same amount as another wire B of length 6.0 m and a cross section of 3.0 × 10-5 m 2 stretches. The ratio of the Young's modulus of wire A to that of wire B will be :

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Q. Under the same load, wire A having length $5.0 m$ and cross section $2.5 \times 10^{-5} m ^2$ stretches uniformly by the same amount as another wire $B$ of length $6.0 m$ and a cross section of $3.0 \times 10^{-5}$ $m ^2$ stretches. The ratio of the Young's modulus of wire $A$ to that of wire $B$ will be :

JEE MainJEE Main 2023Mechanical Properties of Solids

Solution:

Correct answer is (b) $1: 1$