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Thermal physics (A-level only)

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Question 26

A sample of a fixed mass of an ideal gas is enclosed in a rigid, sealed container of constant volume. The gas is heated such that its thermodynamic (Kelvin) temperature quadruples.

Which row correctly identifies two physical quantities of the gas that both increase by a factor of 4?

A

First Quantity: Pressure of the gas | Second Quantity: Root-mean-square (rms) speed of the molecules

B

First Quantity: Mean kinetic energy of the molecules | Second Quantity: Internal energy of the gas

C

First Quantity: Pressure of the gas | Second Quantity: Density of the gas

D

First Quantity: Density of the gas | Second Quantity: Mean kinetic energy of the molecules

Markscheme

Thermal physics (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Thermal physics (A-level only)

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.

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