The deforming force increases as you pull harder, and the rubber band may break, but the iron rod will not. As a result, rubber has less elasticity than iron.
A body's ability to regain its former shape after being subjected to external deforming pressures is known as elasticity.
If you pull harder, the deforming force will rise and the rubber band may break, but the iron rod won't. As a result, we may say that rubber is less elastic than iron.
Hence, iron is more elastic than rubber.
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