O-LevelPhysicsThermal Physics5054/11 · May/June 2017 · Q201 Mark

A substance consists of particles that are close together and moving past each other at random. The average speed of the particles is gradually increasing. What best describes the substance?

Agas being heated

Bliquid being heated

Cliquid undergoing solidification

Dsolid being heated

✓ Correct answer

B: liquid being heated

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2017 Paper 1 Variant 1, question 20.

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