A uniform rod of length Lhasa mass per unit length lambda and area of cross-section A. The elongation in the rod is l due to its own weight. If it is suspended fromthe ceiling of a room, the Young's modulus of the rod is

A uniform rod of length Lhasa mass per unit length lambda and area of

1.	A uniform rod of length Lhasa mass per unit length lambda and area of cross-section A. The elongation in the rod is l due to its own weight. If it is suspended fromthe ceiling of a room, the Young's modulus of the rod is
Answer» `( 2 LAMBDA G L^(2) )/( Al)` ` ( lambda g L^(2) )/( 2 Al)` `( 2 lambda g L^(2) )/( Al)` `( lambda gl^(2))/( AL)` Answer :B