Physics · May / June 2020 · Paper 12 · Question 15
5054Particle model
A small vessel of volume 3.0 cm³ contains air at a pressure of 100 kPa. The small vessel is connected to a syringe. The piston is fully inserted into the syringe. The piston is moved slowly to the right so that the air in the syringe has a volume of 12 cm³. The temperature of the air does not change. What is the pressure of the air in the syringe?
- A20 kPa
- B25 kPa
- C80 kPa
- D100 kPa
As printed in the paper
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Correct answer: A. 20 kPa
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