A piece of wood of relative density `0.25`floats in a pail containing oil of relative density `0.81.`What is the fraction of volume of the wood above the surface of the oil ?

The relative density of ice is 0.9 and that of sea water is 1.125. What fraction of the whole volume of an iceberg appears above the surface of the sea ?

A U-tube contains water in its lower part. Then 32 cm of kerosene of relative density 0.8 is poured into one limb and a vegetable oil of reative density 0.65 is poured into the other. The water level in the kerosene oil side is 5 cm lower that in the other . what is the height of the column of vegtable oil ?\

60cc of a liquid of relative densilty 1.4 are mixed with 40 cc of another liquid of relative density 0.8. The density of the mixture is

A lead sphere of 1.0 mm diameter and relative density 11.20 attains a terminal velocity of 0.7 cm s^(-1) in a liquid of relative density 1.26 . What is the value of the Reynolds number?

Will an object of density rho float in a fluid of density 1.5 rho ? If yes what fraction of the object's volume will remain above the fluid?

A cubical block of wood having an edge 10 cm and mass 0.92 kg floats on a tank of water with oil of relative density 0.5 to a height of 4 cm above water. When the block attains equilibrium with four of its edges vertical