A heavy hollow cone of radius $R$ and height $h$ is placed on a horizontal table surface, with its flat base on the table. The whole volume inside the cone is filled with water of density $\rho$ . The circular rim of the cone’s base has a watertight seal with the table’s surface and the top apex of the cone has a small hole. Neglecting atmospheric pressure find the total upward force exerted by water on the cone is

  • A

    $(2/3)\ \pi R^2h\rho g$

  • B

    $(1/3)\pi R^2h\rho g$

  • C

    $\pi R^2h\rho g$

  • D

    None

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  • [AIIMS 2017]