Physics · May / June 2020 · Paper 11 · Question 25
5054Particle model
A fixed mass of gas is enclosed in a cylinder by a piston which is free to move. Which combination of changes to the pressure and to the temperature must increase the density of the gas?
- Apressure decrease, temperature decrease
- Bpressure decrease, temperature increase
- Cpressure increase, temperature decrease
- Dpressure increase, temperature increase
As printed in the paper
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Correct answer: C. pressure increase, temperature decrease
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