KEAM 2023 Physics and Chemistry Solved Paper

Question : 24 of 120

Marks: +1, -0

A metal wire of natural length 50‌cm and cross-sectional area 4.0mm2 is fixed at one end. A mass of 2.4‌kg is hung from the other end of the wire. If the elastic potential energy of the wire is 1.8×10−4J, then its Young's modulus is : (Take g= 10ms−2 )