SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Properties of Fluids Surface Tension
The pressure inside a soap bubble of 50 mm diameter is 50 N/m2 above atmospheric pressure. The surface tension of the bubble is (in N/m)
1
0.3125
2
0.625
3
0.156
4
1.25