Question

Q1 There is an error of 2% in the measurement of side of a cube the
percentage error in the calculation of its volume will be
(a) 1%
(b) 2%
(c) 3%
(d) 6%​

Answer 1

Answer:

The right answer is 1% .

Answer 2

Answer:

VOLUME WILL ALSO CHANGE BY 1%

Explanation:

ΔS/S*100=2%

VOLUME OF CUBE =S³

ΔV/V*100=1/2*ΔS/S*100=1/2*2%=1%

∴VOLUME IS CHANGED BY 1%