JEE Main & Advanced Physics Elasticity Question Bank Rigidity Modulus

  • question_answer
    A 2 m long rod of radius 1 cm which is fixed from one end is given a twist of 0.8 radians. The shear strain developed will be                                                             [RPET 1997]

    A) 0.002     

    B)                 0.004

    C)                 0.008     

    D)                 0.016

    Correct Answer: B

    Solution :

        \[r\theta =L\varphi \Rightarrow {{10}^{-2}}\times 0.8=2\times \varphi \Rightarrow \varphi =0.004\]


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