Q28. A wire has a spring constant of 5 x 104 N m-1. It is stretched by a force to the extension of 1.4 mm. Calculate the strain energy stored in the wire.Physics — Oscillations and Simple Harmonic Motion — Question 28 of 102A. 4.9 x 10-5 JB. 4.9 x 10-2 JC. 4.9 JD. 4.9 x 10-3 JPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →