engineering recuitment HAL Management & Design Trainee Mock Test 2023 Fluid Mechanics Properties of Fluids Surface Tension
A soap film of surface tension 3 × 10-2 N/m formed in rectangular frame, can support a straw. The length of the film is 10 cm. Mass of the straw the film can support is (take g 10 m/s2):
1
0.06 gm
2
0.6 gm
3
6 gm
4
60 gm