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The diagram given, represents the graph of stress against strain for an elastic wire. The...

Physics
WAEC 2016

The diagram given, represents the graph of stress against strain for an elastic wire. The point Q on the graph is the

  • A. elastic linit
  • B. breaking point
  • C. yield point
  • D. proportional limit
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Correct Answer: Option B
Explanation

The terminal point Q, where the graph abruptly ends, represents the exact moment the material snaps, which is the breaking point (or fracture point).


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