NEET PhysicsClass 11Hooke's law and the stress-strain curveMediumMatch the following
A metal wire is loaded steadily until it breaks. Match each feature of its stress-strain curve in List I with its description in List II.
Column I
Column II
P. Proportional limit
1. Strain that remains after the load is removed from beyond the yield point
Q. Yield point (elastic limit)
2. Largest stress up to which stress is proportional to strain
R. Permanent set
3. Stress beyond which the wire does not regain its original length on unloading
S. Fracture point
4. Stress at which the wire breaks
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