JEE Main 2026 — Mechanical Properties of Solids Question with Solution
JEE Main 2026 (05 April Shift 2)
Question
A copper wire of length is stretched by by applying an external force. The volume of the wire is . The elastic potential energy stored in the wire in stretched condition would be _______ J.
(Given Young modulus of copper )
(Given Young modulus of copper )
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Show full solutionCorrect answer: 33
Correct answer
33
Step-by-step explanation
Given parameters:
Strain is given by:
Elastic potential energy stored in the wire is:
Since :
Substituting the values:
Answer:
Strain is given by:
Elastic potential energy stored in the wire is:
Since :
Substituting the values:
Answer:
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This is a previous-year question from JEE Main 2026, covering the Mechanical Properties of Solids chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.