A. surface tension
B. cohesion of the liquid
C. adhesion of the liquid molecules and the molecules on the surface of a solid
D. all of the above
E. none of the above
Related Mcqs:
- The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately____________________?
A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm - Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the_________________?
A. force of adhesion
B. force of cohesion
C. force of friction
D. force of diffusion
E. none of die above - Hygrometery deals with the_________________?
A. Hygroscopic substances
B. water vapour in air
C. temperature of air
D. pressure of air
E. density measurement - Mercury does not wet glass. This is due to property of liquid known as__________________?
A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility - The tendency of a liquid surface to contract is due to the following property_____________?
A. cohesion
B. adhesion
C. viscosity
D. surface tension
E. elasticity - Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?
A. pco2/?2
B. pco2/?2/2
C. 2pa2R2
D. pa2R/2
E. none of the above - The rise or depression of liquid in a tube due to surface tensionwim increase in size of tube will________________?
A. increase
B. remain unaffected
C. may increase or decrease depending on the characteristics of liquid
D. decrease
E. unpredictable - The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called_______________?
A. upthrust
B. reaction
C. buoyancy
D. metacentre
E. center of pressure - Falling drops of water become spheres due to the property of ____________________?
A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility - Free surface of a liquid tends to contract to the smallest possible area due to force of_______________?
A. surface tension
B. viscosity
C. friction
D. cohesion
E. adhesion
