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प्रश्न
What happens to a metal wire when stress is removed at a point between O and B on the stress-strain curve?
विकल्प
It permanently stretches
It returns to its original length
It continues to deform
It becomes brittle
MCQ
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उत्तर
It returns to its original length
Explanation:
The region OB is the elastic region where deformation is reversible. The wire regains its original length when stress is removed.
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