defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Mechanical Properties of Solids Elastic moduli
A wire of length L and cross – sectional area A is made of a material of Young’s modulus Y. If the wire is stretched by amount x, the work done is ________.
1
\(\frac{{YA{x^2}}}{{2L}}\)
2
\(\frac{{YA{x^2}}}{L}\)
3
YAx2L
4
\(\frac{{YAx}}{{2L}}\)