Explain the bulk modulus of elasticity. To which state of matter it applies ?

What is bulk modulus of elasticity . To which state of matter is applied. Explain compressibility with its units.

What is called fourth state of matter ?

Explain molecular theory leading to elasticity.

What is the bulk modulus of a perfectly rigid body ?

Which consists of particle of matter ?

Explain the terms elastic limit and breaking point.

State true or false. The modulus of elasticity of rubber is greater than that of steel.

Explain elasticity and plasticity on the basis of molecular theory of elasticity.