Material_has_tensile_strength_40_MPa_and_fracture_strain_0.39._What_will_be_approximate_value_of_toughness?

Material_has_tensile_strength_40_MPa_and_fracture_strain_0.39._What_wi

1.	Material_has_tensile_strength_40_MPa_and_fracture_strain_0.39._What_will_be_approximate_value_of_toughness?
A.	10.2 MJ/m<sup>3</sup>
B.	15.6 MJ/m<sup>3</sup>
C.	16.7 MJ/m<sup>3</sup>
D.	18.9 MJ/m<sup>3</sup>
Answer» D. 18.9 MJ/m<sup>3</sup>