Surface Tension
Trending Questions
The liquid that does not wet the solid surface has an ______ angle of contact?
At what height gravity is zero?
A mass of is suspended by a rope of length , from the ceiling. A force is applied horizontally at the mid-point of the rope such that the top half of the rope makes an angle of with the vertical. Then equals (Take and rope to be mass less).
The interparticle space is maximum in ……….and minimum in ………
What causes the capillary action?
Cohesion
Cohesion and adhesion
Adhesion
Density
A block is suspended from the ceiling of an elevator through a string having a linear mass density of . Find the speed (with respect to the string) with which a wave pulse can proceed on the string if the elevator accelerates up at the rate of . Take .
What Is Compliance And Stiffness?
The pressure inside a bubble of radius R and surface tension S is ______________.
Concave (or) convex meniscus of liquids is due to _________.
viscosity
cohesive force only
adhesive force only
cohesive and adhesive forces.
Surface tension of water is due to __________ forces in water molecule.
Cohesion
Adhesion
Adsorption
None of the choices
The particles in ......... are held together by strong interparticle forces.
There is no change in the volume of a wire due to a change in its length on stretching. What is Poissons ratio of the material of the wire?
Pressure inside two soap bubbles are 1.01 and 1.02 atmosphere, respectively. The ratio of their volumes is:
4:1
2:1
0.8:1
8:1
The various states of matter can be interchanged into one another by altering the conditions of volume.
- True
- False
Compare the properties of solids, liquids, and gases.
- the work done per unit area in increasing the surface area of a liquid under isothermal conditions
- the work done per unit area in increasing the surface area of a liquid under isochoric conditions
- free surface energy per unit volume
- the work done per unit area in increasing the surface area of a liquid under adiabatic conditions
A few substances are arranged in the increasing order of forces of attraction between their particles. Which one of the following represents the correct arrangement?
Water, air, wind
Air, sugar, oil
Oxygen, water, sugar
Salt, juice, air
When water is thrown, why they form spherical drops?
- force of surface tension is equal and opposite to the force of gravity.
- force of surface tension predominates the force of gravity.
- force of gravity predominates the surface tension.
- force of surface tension and force of gravity act in the same direction and are equal.
17. Which of the following is not correct for a liquid?
A liquid cannot be compressed much
A liquid cannot flow easily
Particles of liquid can move from one position to another
All are correct
Particles of solid have lowest distance between them.
- True
- False
- remains same
- decreases
- increases and then decreases
- increases
A film of water is formed between two straight parallel wires each 10 cm long and at a separation of . Calculate the work required to increase the distance between them by . The surface tension of water =
- Solids
- Liquids
- Gases
why did jerome volunteer to do the packing. how did george and harris react to it
- Gases
- Solids
- Liquids
- increases
- decreases
- remains same
- increases and then decreases
The force of attraction between two unit point masses separated by a unit distance is called:
Gravitational potential
Acceleration due to gravity
gravitational field
Universal gravitational constant