NEET Sample Paper NEET Sample Test Paper-42

  • question_answer
    Young's modulus of a wire of length L and radius r is Y(N/m2). If the length is reduced to\[\frac{L}{2}\,\,and \frac{r}{2}\]radius, its young modulus will be:

    A) X                     

    B) Y         

    C) 2Y                   

    D) 4Y

    Correct Answer: B

    Solution :

    Value of modulus of elasticity are independent of the magnitude of the stress and strain. They depend only on the nature of material of body.


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