Physics (AS & A Level) · Feb / March 2025 · Paper 12 · Question 12

A student takes measurements to calculate the density of a liquid in a beaker. The height of the liquid in the beaker is 0.20 m ± 2%. The internal diameter of the beaker is 0.05 m ± 3%. The mass of the liquid is 0.36 kg ± 10%. What is the percentage uncertainty in the calculated density of the liquid?

1. A2%
2. B5%
3. C15%
4. D18%

As printed in the paper