Question

If L=(20+_0.01)m and B=(10+_0.02)m then L/B is

Answer 1

Explanation:

maximum error possible

dz/z=dB/B+dA/A

dz/z=(0.02/10)+(0.01/20)

dz/z=0.002+0.0005

=0.0025

dz=0.0025×z

z=20/10=2

dz=2×0.0025=0.005

L/B=2+_ 0.005