The diagram shows a forc-extension graph for a rubber band. Consider of 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 streched
III. The rubber band will get heated id it is streched and realeased
Which of these can be deduced from the graph

Options

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

Answer

A

Explanation

(a) Energy loss `prop` area of hysteris loop
Energy loss appear as heat