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2
Q:

The Hooke's law is valid for

A) only proportional region of the stress strain curve B) entire stress strain curve
C) entire elastic region of the stress strain curve D) elastic as well as plastic region of the stress strain curve

Answer:   A) only proportional 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.

Subject: Physics
Exam Prep: Bank Exams
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