Question

which of the following is most elastic ? a)steel b)rubber c)glass d)sponge

Answer 1

In common reference,

Elasticity is the ability of a material to regain its own original shape after being stretched according to which, rubber is the most elastic substance.

But when we define elasticity in physics it is the ratio of stress to strain. It means that the shape which has more resistance to change is more elastic.

Hence, as per physics steel is the most elastic material.

Answer 2

Answer:

steel is most elastic. stress stain ratio.