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  • The strain-stress curves of three wires of different materials are shown in the figure. and <img alt="R" src="https://en

The strain-stress curves of three wires of different materials are shown in the figure. P,Qand R are elastic limits of the wires. The figure show that:

Option: 1

Elasticity of wire P is maximum


Option: 2

Elasticity of wire Q is maximum


Option: 3

Tensile strength of R is maximum


Option: 4

None of the above


Answers (1)

best_answer

As, stress is shown on x-axis and strain on y-axis. So, we can say that
y=\cot \theta=\frac{1}{\tan \theta}=\frac{1}{\text { slope }}
So, the elasticity of the wire P is minimum and of wire R is maximum.
\begin{array}{r} \text { Elasticity }P \longrightarrow \text { minimum } \\ R \longrightarrow \text { maximum } \end{array}

Posted by

Divya Prakash Singh

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