# Elasticity in Physics | Definition, Types – Elasticity

Elasticity Definition Physics:
Elasticity is a measure of a variable’s sensitivity to a change in another variable, most commonly this sensitivity is the change in price relative to changes in other factors.

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## Elasticity in Physics | Definition, Types – Elasticity

Elasticity is that property of the object by virtue of which it regain its original configuration after the removal of the deforming force.

The modulus of elasticity is simply the ratio between stress and strain. There are three types of modulus of elasticity, Young’s modulus, Shear modulus, and Bulk modulus.

Elastic Limit Definition:
Elastic limit is the upper limit of deforming force upto which, if deforming force is removed, the body regains its original form completely and beyond which if deforming force is increased the body loses its property of elasticity and get permanently deformed.

Perfectly Elastic Bodies:
Those bodies which regain its original configuration immediately and completely after the removal of deforming force are called perfectly elastic bodies, e.g. quartz, phospher bronze etc.

Perfectly Plastic Bodies:
Those bodies which does not regain its original configuration at all on the removal of deforming force are called perfectly plastic bodies, e.g. putty, paraffin, wax etc.

Elasticity:
Elasticity defines a property of an object that has the ability to regain its original shape after being stretched or compressed. Learn about the deforming force applied on an elastic object and how the stress and strain works on an object. What is a Hooke’s law and how it is applicable for the concept of elasticity.