Physics (AS & A Level) · Oct / Nov 2019 · Paper 12 · Question 5

The sides of a wooden block are measured with calipers. The lengths of the sides are measured as 20.0 mm, 40.0 mm and 10.0 mm. The calipers can measure with an absolute uncertainty of ±0.1 mm. What is the percentage uncertainty in the calculated volume of the block?

1. A0.3%
2. B1.8%
3. C3.8%
4. D30%

As printed in the paper