An ideal gas is kept at a constant temperature. The pressure P P\,P of the gas is measured at different volumes VVV. Which graph will show a straight line through the origin?
PPP plotted against VVV
PPP plotted against V2V^2V2
PPP plotted against V−1V^{-1}V−1
PPP plotted against V−2V^{-2}V−2
48 exam-style questions on AQA A Level Physics Thermal physics (A-level only), covering Thermal energy transfer (A-level only), Ideal gases (A-level only), and Molecular kinetic theory model (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.