Figure shows qualitatively the relation between the stress and the strain as the deformation gra....

Figure shows qualitatively the relation between the stress and the strain as the deformation gradually P increases. It is observed that for a substantial range of stresses, the stress-strain relation is linear, and the specimen recovers to its original dimensions when load is removed. For which range, during unloading the above curve will be retraced? (1) up to \( O A \) only (2) up to \( O B \) (3) up to \( C \) (4) Never retraced its path 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live