Young's modulus is determined by the equation given by
Y=49000 where
M is the mass and
ℓ is the extension of wire used in the experiment. Now error in Young modules
(Y) is estimated by taking data from
M−ℓ plot in graph paper. The smallest scale divisions are
5g and 0.02
cm along load axis and extension axis respectively. If the value of
M and
ℓ are
500g and
2cm respectively then percentage error of
Y is :