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Q. Which of the following statement (s) is/are correct regarding to elastomers?
I. It can be elastically stretched to a large value of strain.
II. These materials do not obey Hooke's law.
III. Young's modulus of elastomers is very large.

Mechanical Properties of Solids

Solution:

Elastomers are those materials which can be elastically stretched to a large value of strain. Elastic region for them is very large but they do not obey Hooke's law.
Thus, Young's modulus of elastomers is very small. So, statements I and II are correct but III is incorrect.