When a steel rod of length 2m is compressed its length decreases by 0.1cm. Find the work done per unit volume against the compressive stress.

When a steel rod of length 2m is compressed its length decreases by 0.

1.	When a steel rod of length 2m is compressed its length decreases by 0.1cm. Find the work done per unit volume against the compressive stress.
Answer» `2.5xx10^(4)JM^(-3)` `1.25xx10^(4)Jm^(-3)` `5.0xx10^(4)Jm^(-3)` `7.5xx10^(4)Jm^(-3)` ANSWER :1