A beaker is completely filled with water at $4 °\mathrm{C}$. It will overflow (neglect expansion of beaker),

What will be the apparent weight of a metallic block of density $5 \mathrm{g} {\mathrm{cm}}^{-3}$ and having dimensions $5 \mathrm{cm}\times 5 \mathrm{cm} \times 5 \mathrm{cm}$is weighed in the water?

A scientist stated the following law: "Pressure applied to an enclosed fluid is transmitted undiminished to every point of the fluid and the walls of containing vessel". Who is that scientist?