Question

Define the following terms
a Rigidity
b Compressibility
c Density
Compare any two states of matter on the basis of above defined properties​

Answer 1

Answer:

a) Rigidity : It is the property which helps a substance to retain its shape when force is % applied to it. Solids are rigid while gases, and liquids are not.

b) Compressibility: It is the property as a result of which the particles of any matter come closer on applying pressure.

c) Density: The mass of a unit volume of a substance is called its density.

Density = Mass of the substance / Volume of the substance

If D is the density of a body of mass M and volume V, then

D = M / V

S.I units density is kg/m^3

Solids are very rigid but gases are not rigid. Gases are highly compressible but solids are incompressible. Solids have high density & Gases have low density.

Answer 2

Answer:

Explanation:

Rigidity: The property of substances being stiff and resistive towards stress.

Compressibility: The property of substance which shows how much the volume of a substance can be reduced by the application of force.

Density: The ratio between mass and volume or mass per unit volume.

Solids are very rigid but gases are not rigid.

Gases are highly compressible but solids are incompressible.

Solids have high density & Gases have low density.