JEE Main & Advanced Physics Elasticity Question Bank Rigidity Modulus

  • question_answer
    For a given material, the Young's modulus is 2.4 times that of rigidity modulus. Its Poisson's ratio is [EAMCET 1990; RPET 2001]

    A) 2.4

    B)                             1.2

    C)                 0.4         

    D)                 0.2

    Correct Answer: D

    Solution :

        \[Y=2\eta (1+\sigma )\]             \[2.4\eta =2\eta (1+\sigma )\Rightarrow 1.2=1+\sigma \Rightarrow \sigma =0.2\]


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