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The Hooke's law is valid for

only proportional region of the stress strain curve

entire stress strain curve

entire elastic region of the stress strain curve

elastic as well as plastic region of the stress strain curve

Explanation:

Hooke's law states that within the elastic limit, stress developed is directly proportional to the strain produced in a body. Hooke’s law is valid only in the linear part of stress-strain curve. Hence, statement 1 is correct

By: Ketan Garg

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