Mechanical properties of fluids

Which among the following is fluid?

• Gas

• Solid

• Liquid

The branch of physics which deals with the properties of fluids at rest is called ______

A liquid at rest shows a very interesting property called ____

An imaginary sphere drawn, with given molecule as centre and radius equal to molecular range is called______

What are the characteristics of angle of contact?

• For solid-liq. pair angle of contact is constant.

• The value of angle of contact depends on nature of liquid and solid in contact.

• It depends on medium which exists above the free surface of liq.

• Angle of contact changes with temp., impurity.

Write down all the applications of capillary.

_____ is characteristics due to which a fluid oppose the motion of a fallen body in it.

• Viscosity

• dragging

• capillary action

• fluid at rest

Which among the following are the applications of Bernoulli's equation?

• Speed of efflux

• Ventury tube

• Barometer

• Hydraulic lift