O-LevelPhysicsThermal Physics5054/11 · May/June 2025 · Q131 Mark
The strength of the forces between the particles of a solid determines how much the solid expands when heated. Which statement about these forces is correct?
AThe forces are strong so solids expand less than liquids and gases.
BThe forces are strong so solids expand more than liquids and gases.
CThe forces are weak so solids expand less than liquids and gases.
DThe forces are weak so solids expand more than liquids and gases.
✓ Correct answer
A: The forces are strong so solids expand less than liquids and gases.
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