Blog categorized as fluids

Q- Two soap bubbles of radii R1 and R2 coalesce to form a double bubble as in figure. Find the radius of curvature of there common surface. 

Q- A cuboidal container with base area A is filled with water up to a height h. Small iron balls are dropped in the container till the upper layer of balls reaches the water surface. If the average density of the content in the container becomes ρ, what is the final height H of water level in t...