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Properties of Matter question

2023 · 13 Apr · Shift 1 · Q72
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Properties of Matter question

2023 · 13 Apr · Shift 1 · Q72

JEE MainPhysicsProperties of MatterNumerical+4 / −1
The elastic potential energy stored in a steel wire of length 20 m20 \mathrm{~m}20 m stretched through 2 cm2 \mathrm{~cm}2 cm is 80 J80 \mathrm{~J}80 J. The cross sectional area of the wire is ‾mm2\underline{\hspace{2cm}}\mathrm{mm}^{2}​mm2. (\left(\right.( Given, y=2.0×1011Nm−2)\left.y=2.0 \times 10^{11} \mathrm{Nm}^{-2}\right)y=2.0×1011Nm−2)
Numerical answer
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