Two different types of rubber are found to have the stress-strain curves as shown. Then
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(c)
One with higher hysterysis loss suitable for shock absorber because high hysterysis loss will lead to dampen shocks in a easy manner.
One with lower hysterysis loss suitable for types because it will have low relaxation time.
Area between loop gives amount of hysterysis loss. More area more loss, less area less.
Therefore, $B$ is suitable for shock absorber and $A$ for types.
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