O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2012 · Q121 Mark

Four syringes contain air at atmospheric pressure. The air in all four syringes is slowly compressed. The results are given in the table. Which syringe shows the smallest pressure change?

Avolume before compression/cm³: 50, volume after compression/cm³: 10

Bvolume before compression/cm³: 100, volume after compression/cm³: 50

Cvolume before compression/cm³: 400, volume after compression/cm³: 25

Dvolume before compression/cm³: 400, volume after compression/cm³: 100

✓ Correct answer

B: volume before compression/cm³: 100, volume after compression/cm³: 50

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2012 Paper 1 Variant 1, question 12.

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