Questions in Mechanical Properties of Fluids

Select	Question
	If two liquids of same masses but densities ${{\rho }_{1}}$ and ${{\rho }_{2}}$ respectively are mixed, then density of mixture is given by
	If two liquids of same volume but different densities ${{\rho }_{1}}$ and ${{\rho }_{2}}$ are mixed, then density of mixture is given by
	The density $\rho $ of water of bulk modulus $B$ at a depth $y$ in the ocean is related to the density at surface ${{\rho }_{0}}$ by the relation
	With rise in temperature, density of a given body changes according to one of the following relations
	Three liquids of densities $d,\,2d$ and $3d$ are mixed in equal volumes. Then the density of the mixture is
	Three liquids of densities $d,\,2d$ and $3d$ are mixed in equal proportions of weights. The relative density of the mixture is
	From the adjacent figure, the correct observation is
	A given shaped glass tube having uniform cross section is filled with water and is mounted on a rotatable shaft as shown in figure. If the tube is rotated with a constant angular velocity $\omega $ then
	Why the dam of water reservoir is thick at the bottom
	Air is blown through a hole on a closed pipe containing liquid. Then the pressure will