Question

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




I.It will be easier to compress this rubber than expand it
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 three statements can be deduced from the graph?

• A. III only
• B. II and III
• C. I and III
• D. I only

Answer 1

The correct option is A III only

a)Area of hysterisis loop gives the energy loss in the process of stretching and unstretching of rubber band and this loss will appear in the form of heating