The diagram given, represents the graph of stress against strain for an elastic wire. The point Q on the graph is the
Attached Figure / Diagram
A
elastic linit
B
breaking point
C
yield point
D
proportional limit
Verified Correct Answer: B.
Physical Principles & Numerical Solution
The terminal point Q, where the graph abruptly ends, represents the exact moment the material snaps, which is the breaking point (or fracture point).
Source: Myschool Past Questions Archive (Record #45579)