The diagram shows a force – extension graph for a rubber band. Consider the following statements
I. Steel has similar force extension curve
II. Rubber does not return to its original length after it is stretched
III. The rubber band will get heated if it is stretched and released
Which of these can be deduced from the graph?

III only

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II and III

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I and III

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I only

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Solution

The correct option is A III only
Statement III is correct since some energy is lost when a band is strreached and released. And the shaded region gives us the energy lost.

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Similar questions

The diagram shows a force – extension graph for a rubber band. Consider the following statements

I. Steel has similar force extension curve

II. Rubber does not return to its original length after it is stretched

III. The rubber band will get heated if it is stretched and released

Which of these can be deduced from the graph?

I

I I

I I I

F = (- 2 x + 1) N

x

m

x = 0

x = 1 m

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