A. increase
B. remain unaffected
C. may increase or decrease depending on the characteristics of liquid
D. decrease
E. unpredictable
Related Mcqs:
- In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to_________________?
A. sin 9
B. sin 9
C. casS
D. cos 9
E. tan 9 - A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?
A. 9,000 kg
B. 13,500 kg
C. 18,000 kg
D. 27,000 kg
E. 30,000 kg - 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 - 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 - 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 - 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 surface tension of mercury at normal temperature compared to that of water is____________________?
A. more
B. less
C. same
D. more or less depending on size of glass tube
E. none of the above. - Surface tension _____________________?
A. acts in the plane of the interface normal to any line in the surface
B. is also known as capillarity
C. is a function of the curvature of the interface
D. decreases with fall in temperature
E. has no units - Units of surface tension are_________________?
A. energy/unit area
B. distance
C. both of the above
D. it has no units
E. none of the above - Dimensions of surface tension are_________________?
A. MlL°T2
B. MlL°Tx
C. MlL r2
D. MlL2T2
E. MlL°t
