The stress-strain graphs for two materials A | vedclass

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(D) The correct option is $(d)$.$1$. The slope of the stress-strain curve $(	an 	heta)$ gives the value of Young's Modulus $(Y)$ for a given materia

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All of these.

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(D) The correct option is $(d)$.$1$. The slope of the stress-strain curve $(	an 	heta)$ gives the value of Young's Modulus $(Y)$ for a given material, i.e., $Y = 	an 	heta$.$2$. From the given graphs, it is clear that $	heta_A > 	heta_B$, which implies $	an 	heta_A > 	an 	heta_B$. Therefore, material $A$ has a greater Young's Modulus.$3$. The distance from point $P$ to $Q$ represents the plastic region of the material. The distance $PQ$ in material $A$ is greater than the distance $PQ$ in material $B$, which indicates that material $A$ can undergo more plastic deformation before breaking compared to material $B$.$4$. Materials that undergo significant plastic deformation before breaking are called ductile, while those that break soon after the elastic limit are called brittle. Thus, material $A$ is ductile and material $B$ is brittle.Since all the statements are correct, the correct option is $(d)$.

The stress-strain graphs for two materials $A$ and $B$ are shown in the figure. The graphs are drawn to the same scale. Select the correct statement.

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