9702 · topic questions
The first law of thermodynamics
5 past-paper questions on The first law of thermodynamics
With reference to molecular kinetic and potential energies, describe and explain how the internal energy of the system changes…
Practise the full question →Use the first law of thermodynamics to determine, to three significant figures, a value for the specific heat capacity of…
Practise the full question →Show that the magnitude of the work done on the substance when it vaporises is 1.7 kJ.
Practise the full question →Explain whether the work done on the block is positive or negative.
Practise the full question →Use the information in (b)(ii) to determine the magnitude of the work done on the block when its temperature is raised from 0°C…
Practise the full question →
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These are real Cambridge Physics past-paper questions on The first law of thermodynamics. Open one, attempt it, then upload your working — MarkScheme grades it against the official 9702 mark scheme so you see exactly where the marks are won and lost on this topic.
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