Olympiad workbook
- Exam
- Olympiad workbook
- Subject
- NSEP
- Chapter
- Mechanical Properties of Fluids
Olympiad workbook · NSEP · Mechanical Properties of Fluids
Two soap bubbles of radii a and b coalesce to form a single bubble...
Two soap bubbles of radii and coalesce to form a single bubble of radius c under isothermal conditions. If the external pressure is , then the Surface Tension of the soap solution is
Options
- A\frac{P_A}{4} \frac{\left(c^3-a^3-b^3\right)}{\left(a^2+b^2-c^2\right)}
- B\frac{P_A}{2} \frac{\left(a^3+b^3-c^3\right)}{\left(c^2-a^2-b^2\right)}
- C\frac{P_A}{2} \frac{\left(a^2+b^2-c^2\right)}{\left(c^3-a^3-b^3\right)}
- D\frac{P_A}{4} \frac{\left(c^2-a^2-b^2\right)}{(a+b-c)}
Correct answer
A. \frac{P_A}{4} \frac{\left(c^3-a^3-b^3\right)}{\left(a^2+b^2-c^2\right)}
Step-by-step solution
No Solution