A wire of length cm and radius cm and mass gm

PHYSICS · Single correct · A Level · Physics · Measurements and their errors · Measurements and their errors

Problem

A wire of length

\ell = 6 \pm 0.06

cm and radius

r = 0.5 \pm 0.005

cm and mass

m = 0.3 \pm 0.003

gm. Maximum percentage error in density is [2004S] (1) 4 (2) 2 (3) 1 (4) 6.8