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प्रश्न
What happens to a material if it is stressed beyond its elastic limit?
विकल्प
It becomes stronger
It returns to its original shape immediately
It undergoes permanent deformation
It follows Hooke's law more strictly
MCQ
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उत्तर
It undergoes permanent deformation
Explanation:
Beyond the elastic limit, the relationship breaks down, and the material undergoes permanent deformation.
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