NCERT Exercise 9.18 - Mechanical Properties of Fluids

Question: A thin liquid film supports 4.5 x 10^-2 N. Find the weight supported by films of the same liquid in configurations (b) and (c).

Answer: Weight supported is **4.5 x 10^-2 N** in all cases (same liquid, same temperature, same contact perimeter).

Full step-by-step NCERT solution with diagrams on Something by Zero.