A-LevelPhysicsPhysical quantities and units9702/12 · May/June 2014 · Q51 Mark

A thermometer can be read to an accuracy of ±0.5°C. This thermometer is used to measure a temperature rise from 40°C to 100 °C. What is the percentage uncertainty in the measurement of the temperature rise?

A0.5%

B0.8%

C1.3%

D1.7%

✓ Correct answer

D: 1.7%

Oracle Prep sorts past-paper questions by topic, so you can drill Physical quantities and units and see which topics are most likely to come up next.

Topic: Physical quantities and units, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2014 Paper 1 Variant 2, question 5.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

The table shows some measurable quantities. Which row gives the correct order of magnitude of the measurable quantity…

A byte (b) comprises 8 bits. How many bits are there in 1 terabyte (1Tb)?

Which pair of quantities contains both a scalar and a vector?

The potential difference across a resistor is 12 V. The current in the resistor is 2.0 A. A charge of 4.0 C passes th…

A coil contains N turns of insulated copper wire wound on to a cylindrical iron core of diameter D. The copper wire h…

Which row describes the relative ionizing power and the relative penetration power per unit length in air of α-partic…