O-LevelPhysicsThermal Physics5054/11 · May/June 2011 · Q151 Mark

According to the kinetic theory, matter is made up of very small particles in a constant state of motion. Which row best describes the particle behaviour in the liquid state?

Aforces between particles: strong, motion of particles: move randomly at high speed

Bforces between particles: strong, motion of particles: vibrate but are free to move position

Cforces between particles: strong, motion of particles: vibrate to and fro around a fixed position

Dforces between particles: weak, motion of particles: move randomly at high speed

✓ Correct answer

B: forces between particles: strong, motion of particles: vibrate but are free to move position

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2011 Paper 1 Variant 1, question 15.

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