NEET Physics Stress & Strain MCQ Question
Consider a stress-strain curve for a metal where point D represents the ultimate tensile strength. What occurs between points D and E on this curve?
The material undergoes plastic deformation leading to fracture.
The stress increases without any additional strain.
The material returns to its original shape.
The material experiences a decrease in stress with no change in strain.
Correct Answer
Detailed Explanation
Between points D and E, the material experiences additional strain even with a reduced applied force, leading to fracture, indicating plastic deformation.
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