The length of a metal wire is l when the tension is F and x l when the tension si y F. Then the natural length of the wire is

The length of a metal wire is l when the tension in it is .F. and . xl . when the tension is .yF.. Then the natural length of the wire is

The length of a metal wire is l_1 when the tensionin it is T_1 and is l_2 when the tension is T_2 . The natural length of the wire is

The length of a metal wire is l_1 when the tensionin it is T_1 and is l_2 when the tension is T_2 . The natural length of the wire is

The length of a metal wire is l_1 when the tension in it is T_1 and is l_2 when the tension is T_2 . The natural length of the wire is

The length of a metal wire is l_1 when the tension in it is T_1 and is l_2 when the tension is T_2 . The natural length of the wire is

The length of a metal wire is l_1 when the tension in it is T_1 and is l_2 when the tension is T_2 . The natural length of the wire is

The length of a metal wire is L_1 , when the tension is T_1 and l_2 when the tension is T_2 . The unstretched length of the wire is

The length of a metal wire is 10cm when the tension in it is 20N and 12cm when the tension is 40N . Then natural length of the wire is in cm