A student obtained the value  of Young's modulus of steel as `1.9xx10^(11)
Channel: Doubtnut
Date: 2020-05-24

A student obtained the value  of Young's modulus of steel as `1.9xx10^(11)N//m^(2)` while the standard value of Y is `2.1xx10^(11)N//m^(2)`. What is the percentage error in his measurement?