Elongation of an elastic material is very low. What should be the shape of a body for which the longitudinal strain will be appreciable?

Elongation of an elastic material is very low. What should be the shap

1.	Elongation of an elastic material is very low. What should be the shape of a body for which the longitudinal strain will be appreciable?
Answer» a thinbut long wire a THICK block having any CROSS section a THIN block having RECTANGULAR cross section a thin and short wire Answer :A