A thin rod of mass $m$ and length $l$ is oscillating about horizontal axis through its one end. Its maximum angular speed is $\omega $. Its centre of mass will rise upto maximum height

  • A

    $\frac{1}{6}\frac{{l\,\omega }}{g}$

  • B

    $\frac{1}{2}\frac{{{l^2}{\omega ^2}}}{g}$

  • C

    $\frac{1}{6}\frac{{{l^2}{\omega ^2}}}{g}$

  • D

    $\frac{1}{3}\frac{{{l^2}{\omega ^2}}}{g}$

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