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A \(100 \mathrm{~m}\) long wire having cross-sectional area \(6.25 \times 10^{-4} \mathrm{~m}^{2}\) and Young's modulus …

Q1

A \(100 \mathrm{~m}\) long wire having cross-sectional area \(6.25 \times 10^{-4} \mathrm{~m}^{2}\) and Young's modulus is \(10^{10} \mathrm{Nm}^{-2}\) is subjected to a load of \(250 \mathrm{~N}\), then the elongation in the wire will be:

[JEE Main 2022, 26 July (Shift 2)]

a

\(6.25 \times 10^{-3} \mathrm{~m}\)

b

\(4 \times 10^{-4} \mathrm{~m}\)

c

\(6.25 \times 10^{-6} \mathrm{~m}\)

d

\(4 \times 10^{-3} \mathrm{~m}\)

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