A bar produces a lateral strain of magnitude $-60\times 10^{^{-5}}$, when subjected to tensile stress of magnitude 300Mpa along the axial direction. What is the elastic modulus of the material, if the Poission’s ratio is 0.3?
(a) 100 Gpa (b) 150 Gpa
(c) 200 Gpa (d) 400 Gpa