Question

The stress-strain graph of a material is shown in the figure. The region in which the material is elastic is

• A. $OA$
• B. $OB$
• C. $OC$
• D. $AC$

Answer 1

Answer: (A)

$OA$

Answer 2

The material is elastic in the region $OA$ because in this region, the stress-strain graph is linear and Hooke?? law is obeyed