A cubical block of steel of each side equal to $l$ is floating on mercury in a vessel. The densities of steel and mercury ar $\rho _s$ and $\rho _m$ . The height of the block above the mercury level is given by
A cubical block of steel of each side equal to $l$ is floating on mercury in a vessel. The densities of steel and mercury ar $\rho _s$ and $\rho _m$ . The height of the block above the mercury level is given by
- A
$l\left( {1 + \frac{{{\rho _s}}}{{{\rho _m}}}} \right)$
- B
$l\left( {1 - \frac{{{\rho _s}}}{{{\rho _m}}}} \right)$
- C
$I\left( {1 + \frac{{{\rho _m}}}{{{\rho _s}}}} \right)$
- D
$l\left( {1 + \frac{{{\rho _m}}}{{{\rho _s}}}} \right)$
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