NEET Physics Stress & Strain MCQ Question
Refer to the stress-strain graphs for materials A and B. Which material has a higher ability to store elastic potential energy per unit volume at the same strain level?
Material A
Material B
Both have the same ability
Cannot be determined from the graph
Correct Answer
Detailed Explanation
The elastic potential energy per unit volume is given by 1/2 × stress × strain. The material with a higher stress value for the same strain will store more energy. Material B, having a steeper slope, indicates higher stress for the same strain.
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