A brass wire of diameter 1mm and of length 2m is stretched by applying a force of 20N. If the increase in length is 0.51mm, find i) the stress, ii) the strain and iii) the young's modulus of the wire.

A brass wire of diameter 1mm and of length 2m is stretched by applying

1.	A brass wire of diameter 1mm and of length 2m is stretched by applying a force of 20N. If the increase in length is 0.51mm, find i) the stress, ii) the strain and iii) the young's modulus of the wire.
Answer» `2.546xx10^(7)N//m^(2)` `3.146xx10^(7)N//m^(2)` `2.346xx10^(7)N//m^(2)` `2.246xx10^(7)N//m^(2)` ANSWER :1