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The strain-stress curves of three wires of different materials are shown in the figure. $P, Q$ and $R$ are the elastic limits of the wires. The figure shows that
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The correct answer is:
None of the above is true
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 elasticity of wire $P$ is minimum and of wire $R$ is maximum
So elasticity of wire $P$ is minimum and of wire $R$ is maximum
So we can say that $Y=\cot \theta=\frac{1}{\tan \theta}=\frac{1}{\text { slope }}$
So elasticity of wire $P$ is minimum and of wire $R$ is maximum
So elasticity of wire $P$ is minimum and of wire $R$ is maximum
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