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8.Mechanical Properties of Solids
easy
The diagram shows the change $x$ in the length of a thin uniform wire caused by the application of stress $F$ at two different temperatures $T_1$ and $T_2$. The variations shown suggest that
A
${T_1} > {T_2}$
B
${T_1} < {T_2}$
C
${T_1} = {T_2}$
D
None of these
Solution
(a) Elasticity of wire decreases at high temperature i.e. at higher temperature slope of graph will be less.
So we can say that ${T_1} > {T_2}$
Standard 11
Physics
