Physics · 2023
JEE Main · 24 January 2023, Shift 1 · Q7
A 100 m long wire having cross-sectional area 6.25 × 10^-4 m^2 and Young's modulus is 10^10 Nm^-2 is subjected to a load of 250 N, then the…
A $\displaystyle 100$ m long wire having cross-sectional area $\displaystyle 6.25 \times 10^{-4} \mathrm{~m}^2$ and Young's modulus is $\displaystyle 10^{10} \mathrm{Nm}^{-2}$ is subjected to a load of $\displaystyle 250$ N , then the elongation in the wire will be:
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 4 \times 10^{-3} \mathrm{~m}$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.