NEET 2014 Physics Young's Modulus MCQ Question
Copper of fixed volume V is drawn into wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is Δl. Which of the following graphs is a straight line?
Δl versus 1/l
Δl versus l²
Δl versus 1/l²
Δl versus l
Correct Answer
Detailed Explanation
The extension Δl is inversely proportional to the length l for a given volume and force, making Δl versus 1/l a straight line.
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