A cubical block is floating in a liquid with half of its volume immersed in the liquid. When the whole system accelerates upwards with a net acceleration of $g/3$ The fraction of volume immersed in the liquid will be

820-500

  • A

    $\frac{1}{2}$

  • B

    $\frac{3}{8}$

  • C

    $\frac{2}{3}$

  • D

    $\frac{3}{4}$

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