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  3. JCECE Medical

JCECE Medical JCECE Medical Solved Paper-2012

  • question_answer
    The stress-strain curves for three wires of different materials are shown in figure, where P, Q and R are the elastic limits of the wires.  He figure shows that

    A)  elasticity of wire P is maximum

    B)  elasticity of wire Q is maximum

    C)  elasticity of wire R is maximum

    D)  None of the above is true

    Correct Answer: D

    Solution :

     As stress is shown on \[x-\]axis and strain on y-axis. So, we can say that \[Y=\cot \theta =\frac{1}{\tan \theta }\]\[=\frac{1}{\text{slope}}\] slope So, elasticity of wire P is minimum and of wire R is maximum.


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