A-LevelPhysicsTemperature9702/12 · Oct/Nov 2014 · Q191 Mark
The diagram shows the atoms of a substance with the atoms at the corners of a cube. The average separation of the atoms at a particular temperature is 15 nm. [Figure 19.1] When the temperature changes so that the average separation becomes 17 nm, by which factor will the density of the substance change?
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.
A0.61
B0.69
C0.78
D0.88
✓ Correct answer
B: 0.69
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