A tension of 20 N is applied to a copper wire of cross sectional area 0.01 cm^(2), Young's modulus of copper is 1.1 xx 10^11N//m^(2) and Poisson's ratio is 0.32. The decrease in cross sectional area of the wire is

A tension of 20 N is applied to a copper wire of cross sectional area

1.	A tension of 20 N is applied to a copper wire of cross sectional area 0.01 cm^(2), Young's modulus of copper is 1.1 xx 10^11N//m^(2) and Poisson's ratio is 0.32. The decrease in cross sectional area of the wire is
Answer» `1.16 xx 10^(-6) "CM"^(2)` `1.16 xx 10^(-5) cm^(2)` `1.16 xx 10^(-4) cm^(2)` `1.16 xx 10^(-3) cm^(2)` ANSWER :A