plumiInternal energy and absolute zero: Edexcel International A Level Physics questions
Edexcel International A Level Physics past-paper questions on 5.3.2.1 Internal energy and absolute zero, 2019–2025, with mark schemes and examiner’s reports where available.
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Q2(a)
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Open the full PDFYour answerQ1(c)(ii)
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Open the full PDFYour answerQ19(b)(i)
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All 10 questions on Internal energy and absolute zero, as a list
- June 2025, Unit 6, Q2(a) (6 marks): The student used temperatures ranging from 0°C to 100 °C. Devise a method the student could use to estimate a value for absolute zero. Your method should includ
- October 2024, Unit 5, Q11 (2 marks): Helium gas can be used to fill balloons. A cylinder of helium gas contains 1.20 × 10 24 molecules. The temperature of the gas is 293 K. Calculate the internal e
- January 2024, Unit 5, Q1 (1 mark): Ice at 0 °C melts into water at 0 °C. Which row of the table gives the changes in mean molecular kinetic energy and mean molecular potential energy as the ice m
- June 2023, Unit 5, Q18 (6 marks): *18 Wax is heated until the temperature is above the melting point of the wax. The hot wax is poured into a bowl and allowed to cool. The graph shows how the te
- June 2022, Unit 5, Q7 (1 mark): A fixed mass of a gas occupies a constant volume. The temperature of the gas is increased. Which of the following is not true? A The internal energy of the gas
- January 2022, Unit 6, Q1(c)(ii) (3 marks): The student recorded the following measurements. θ / °C l / cm 19.0 16.0 35.0 16.9 49.0 17.7 The student predicted that a graph of l against θ could be used to
- January 2021, Unit 5, Q17(b) (2 marks): Salyut 1 burned up over the Pacific Ocean as it re-entered the Earth’s atmosphere. Explain why Salyut 1 burned up. (2)
- October 2020, Unit 5, Q8 (1 mark): A solid is heated and it melts at a constant temperature. Which row of the table shows how the kinetic energy and the potential energy of the molecules change a
- October 2020, Unit 5, Q19(b)(i) (3 marks): Explain how this cooks the food. (3)
- October 2020, Unit 5, Q19(b)(ii) (2 marks): Suggest why the transfer of energy from the microwaves may be less efficient for ice than for liquid water. (2)
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