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BCECE Engineering BCECE Engineering Solved Paper-2014

  • question_answer
    The Young's modulus of a wire of length L and radius r is \[\text{YN}/{{\text{m}}^{\text{2}}}\]. The length and radius are reduced to \[\frac{L}{6}\] and \[\frac{r}{6},\] then its Young's modulus is

    A) \[6Y\]                                   

    B) \[\frac{Y}{6}\]

    C) \[Y\]     

    D) \[3Y\]

    Correct Answer: C

    Solution :

    Young's modulus of a wire does not vary with dimensions of wire. It is the property of given material.                


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