Question

The dimensions of a rectangular block measured with calipers having least count of 0.01 cm are $5mm\times 10mm\times 5mm$. The maximum percentage error in the measurement of the volume of the block is:

• A. 5%
• B. 10%
• C. 15%
• D. 20%

Answer 1

The correct option is A 5%

% error $=\frac{0.01}{0.5}\times 100+\frac{0.01}{1.0}\times 100+\frac{0.01}{0.5}\times 100$

$=2+1+2=4+1=5$ %