The elongation of the rod will be

Question

   A Steel rod of 1 sq.cm cross sectional area is 100 cm long and has a Young’s modulus of elasticity 2 × 10⁶ kg/cm². It is subjected to an axial pull of 2000kgf. The elongation of the rod will be  

         (a) 0.05 cm                     (b) 0.1 cm

         (c) 0.15 cm                     (d) 0.20 cm