O-LevelPhysicsMeasurement5054/12 · Oct/Nov 2019 · Q31 Mark

What is the correct unit for the quantity shown?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Aelectromotive force (e.m.f.) N

Blatent heat J

Cpressure kg/m³

Dweight kg

✓ Correct answer

B: latent heat J

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

Topic: Measurement, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2019 Paper 1 Variant 2, question 3.

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

A micrometer is used to measure the diameter of a uniform wire. What is done to obtain an accurate answer?

The diagram shows a clinical thermometer. How does the diagram show that this is a sensitive thermometer?

A micrometer is used to measure the diameter of a uniform wire. What is done to obtain an accurate answer?

Many gas appliances such as ovens and heaters use a small flame to ignite the main burner. To make sure that the smal…

A hot liquid is allowed to cool. The graph shows the cooling curve. In which part of the curve is latent heat released?

For the same temperature rise and the same original volume, which of the three states of matter expands the most and …