The ratio of lateral strain to the longitudinal strain of a wire is called

The ratio of tensile stress to the longitudinal strain is defined as

The ratio of tensile stress to the longitudinal strain is defined as

Define longitudinal strain.

Define longitudinal strain.

Lateral strain//longitudinal strain is called

Longitudinal strain is caused

Longitudinal strain is caused

Define Poisson's ratio. The poisson's ratio of a material is sigma . If a longitudinal strain of a wire made of thin material be a, show that its volume strain is (1-2sigma)a

The poisson’s, ratio of a material is sigma . If a longitudinal strain of a wire made in thin material be prop , show that its volume strain is (1-2sigma)prop .