NEET Physics Stress & Strain Assertion Reason Question
Assertion (A): A material that shows plastic deformation after a certain point on the stress-strain curve but before fracture is considered ductile. | Reason (R): In ductile materials, the ultimate strength and fracture points are far apart on the stress-strain curve.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
The NCERT context explains that ductile materials have ultimate strength and fracture points far apart, indicating extensive plastic deformation before fracture.
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