AQA•A-Level•Physics
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Thermal Physics
Heat transfer, ideal gases and kinetic theory
Practice 30 subtopics in Thermal Physics. All questions match the AQA A-Level specification.
About Thermal Physics
Thermal Physics is a key topic in the AQA A-Level Physicsspecification. This topic covers heat transfer, ideal gases and kinetic theory.
Master all 30 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (30)
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Practice any subtopic from Thermal Physics
Internal energyKinetic and potential energy of moleculesTemperature and thermal equilibriumAbsolute zero and the Kelvin scaleSpecific heat capacity: E = mcΔθSpecific latent heat: E = mLLatent heat of fusion and vaporisationContinuous flow heating methodHeating curves and cooling curvesGas laws experimentsBoyle's law: pV = constant (at constant T)Charles's law: V/T = constant (at constant p)Pressure law: p/T = constant (at constant V)Absolute temperature scaleIdeal gas equation: pV = nRTIdeal gas equation: pV = NkTMolar gas constant R = 8.31 J mol⁻¹ K⁻¹Boltzmann constant k = 1.38 × 10⁻²³ J K⁻¹Molar mass and molecular massAvogadro constantRequired practical: gas lawsBrownian motion evidence for atomsAssumptions of kinetic theoryDerivation of pressure equationpV = ⅓Nm<c²>Mean square speed <c²>Root mean square speed crmsKinetic energy of gas molecules½m<c²> = 3/2 kTInternal energy of ideal gas: U = 3/2 NkT
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