State and prove Pascal’s law in fluids?

Derive the expression for the terminal velocity of a sphere moving in a high viscous fluid using stokes force.

Obtain an expression for the excess of pressure inside a
i) liquid drop
ii) liquid bubble
iii) air bubble.

Obtain an equation of continuity for a flow of fluid on the basis of conservation of mass.

Describe the construction and working of venturimeter and obtain an equation for the volume of liquid flowing per second through a wider entry of the tube.