If in a wire of Young’s modulus Y, longitudinal strain is produced, then the value of potential energy stored in its unit volume will be ___________
(a) YX^2
(b) 0.5Y^2 X
(c) 2YX^2
(d) 0.5YX^2
I have been asked this question in unit test.
Question is from Elastic Limit in chapter Thermal Properties of Matter of Engineering Physics I