NCERT Exercise 8.1 - Mechanical Properties of Solids
Question: A steel wire (length 4.7 m, area 3.0 x 10^-5 m^2) stretches the same amount as a copper wire (length 3.5 m, area 4.0 x 10^-5 m^2) under the same load. Find the ratio Y_steel/Y_copper.
Answer: Y_steel/Y_copper = **about 1.79**.
Full step-by-step NCERT solution with diagrams on Something by Zero.