Surface Tension
Trending Questions
Q.
The diameter of the droplet is 0.075 mm. What is the intensity of pressure (N/sq.cm) developed in the droplet by the surface tension of 0.000075 N/mm?
- 0.4
- 0.6
- 0.8
- 1
Q. If P is the gauge pressure within a spherical droplet, then guage pressure within a bubble of the same fluid and of same size will be
- P/4
- P/2
- P
- 2P
Q. The S.I. unit of surface tension is
- N/m2
- J/m
- J/m2
- W/m
Q. The dimension of surface tension is
- ML−1
- L2T−1
- ML−1T−1
- MT−2
Q. The pressure (gauge) at a point in water is 150 kPa. The velocity at that point is 10 m/sec and the point is 5 m above the datum. The total energy of the water per Newton weight of the water is (Take g=10 m/sec2)
- 25
Q. The surface tension in a soap bubble of 50 mm diameter with its inside pressure being 2.5 N/m2 above the atmospheric pressure is
- 0.0125 N/m
- 0.0156 N/m
- 0.2 N/m
- 0.0312 N/m