Jee Main
Properties Of Matter
JEE Main 2023 (Online) 13th April Morning Shift
INTEGER+4 / -12023
The elastic potential energy stored in a steel wire of length \(20 \mathrm{~m}\) stretched through \(2 \mathrm{~cm}\) is \(80 \mathrm{~J}\). The cross sectional area of the wire is __________ \(\mathrm{mm}^{2}\).
\(\left(\right.\) Given, \(\left.y=2.0 \times 10^{11} \mathrm{Nm}^{-2}\right)\)