A thin rod of length $L$ and mass $M$ is bent at its mid-point into two halves so that the angle between them is $90^o$. The moment of inertia of the bent rod about an axis passing through the bending point and perpendicular to the plane defined by the two halves of the rod is

  • A

    $\frac {ML^2}{6}$

  • B

    $\frac {\sqrt 2ML^2}{24}$

  • C

    $\frac {ML^2}{24}$

  • D

    $\frac {ML^2}{12}$

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