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

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

Option: 1

Elasticity of the wire P is maximum


Option: 2

Elasticity of the 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 in y-axis. So, we can say that

y=\cot \theta=\frac{1}{\text { tan }}=\frac{1}{\text { slope }}

So, elasticity of wire P is minumum and end of wire R is maximum.

Elasticity --- minimum and R---- maximum

Posted by

Irshad Anwar

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