A steel wire of length 4.87 mm and cross-section  `3.0 xx 10^(-5) m^(2)`  stretches  b
Channel: Doubtnut
Date: 30/08/2020

A steel wire of length 4.87 mm and cross-section  `3.0 xx 10^(-5) m^(2)`  stretches  by the   same  amout  as a copper  wire  of length  3.5 m  and  cross -section  `4.0 xx 10^(-5) m^(2)`  under  a given  load . White  is the  ratio of  the Young's  modulus  of steel   so that  of copper ?