1.Length of a metal wire is L₁ when tension T₁ and L₂ when tension T₂. The unstretched length isa.(L₁+L₂)/2b.√(L₁L₂)c.(T₂L₁–T₁L₂)/(T₂–T₁)d.(T₂L₁+T₁L₂)/(T₂+T₁)Login to continueOnly logged in users canattempt or see the solution.