When the tenstion on a wire is 4N its length is l_(1). When the tension on the wire is 5N its length is l_(2). Find its natural length.

When the tenstion on a wire is 4N its length is l_(1). When the tensio

1.	When the tenstion on a wire is 4N its length is l_(1). When the tension on the wire is 5N its length is l_(2). Find its natural length.
Answer» `5l_(1)-4l_(2)` `4l_(1)-5l_(2)` `10l_(1)-8l_(2)` `8l_(1)-10l_(2)` ANSWER :1