A structural steel rod has a radius of 10 mm and a length of 1.0 m. A 100 kN force stretches it along its length. The value of tensile stress on the rod is approximately:

Match List I with List II: List I A. Young's Modulus B. Compressibility C. Bulk Modulus D. Poisson's Ratio List II I. ΔdΔL × Ld II. FLA(ΔL) III. -1ΔP × ΔVV IV. -P × VΔV Choose the correct answer from the options given below:

Lack of toughness in a material directly implies high: