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 ap-proximately_______________?
A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm - The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately____________________?
A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm - The line of action of the buoyant force acts through the centroid of the ___________________?
A. submerged body
B. volume of the floating body
C. volume of the fluid vertically above the body
D. displaced volume of the fluid
E. none of the above - Slate is formed by metamorphic action on______________?
A. shale
B. lime stone
C. sand stone
D. granite - 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 - Falling drops of water become spheres due to the property of ________________?
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 - The rise or depression of liquid in a tube due to surface tension wim 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 - 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 - 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
