Medium
In Column-$I$ there are two stress-strain graphs,and in Column-$II$ the nature of the materials is given. Match them appropriately:
Column-$I$ Column-$II$ $(a)$ Graph $A$ $(i)$ $A$ is ductile $(b)$ Graph $B$ $(ii)$ $A$ is brittle $(iii)$ $B$ is ductile $(iv)$ $B$ is brittle
| Column-$I$ | Column-$II$ |
| $(a)$ Graph $A$ | $(i)$ $A$ is ductile |
| $(b)$ Graph $B$ | $(ii)$ $A$ is brittle |
| $(iii)$ $B$ is ductile | |
| $(iv)$ $B$ is brittle |
(A) The stress-strain graph for a material shows its mechanical properties.
$1$. $A$ material is considered ductile if it shows a large plastic deformation range before breaking. Graph $A$ shows a distinct yield point and significant plastic flow,which is characteristic of ductile materials.
$2$. $A$ material is considered brittle if it breaks soon after the elastic limit with very little plastic deformation. Graph $B$ shows a smaller range of plastic deformation compared to $A$,indicating it is more brittle.
Therefore,the correct matching is: $(a-i)$ and $(b-iv)$.
$1$. $A$ material is considered ductile if it shows a large plastic deformation range before breaking. Graph $A$ shows a distinct yield point and significant plastic flow,which is characteristic of ductile materials.
$2$. $A$ material is considered brittle if it breaks soon after the elastic limit with very little plastic deformation. Graph $B$ shows a smaller range of plastic deformation compared to $A$,indicating it is more brittle.
Therefore,the correct matching is: $(a-i)$ and $(b-iv)$.
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