Edexcel IAL · Physics · WPH15 · Thermodynamics

Topic Questions: 132 be able to derive and use the equation — WPH15 Thermodynamics

19 WPH15 Thermodynamics topic questions are tagged to this syllabus point across 16 papers (2020–2026). Only the parts whose knowledge graph matches this syllabus statement are counted, and the table shows which parts of each question are involved.

19 topic questions 16 papers 41 tagged marks 17.1% of topic questions 12.2% of topic marks 2020–2026 Syllabus 2018–current

Core finding

This Thermodynamics syllabus point appears in 16 WPH15 papers across 2020–2026, contributing 19 topic questions and 41 marks. The most recent appearance is WPH15/01 January 2026. That equals 17.1% of the 111 topic questions and 12.2% of the 337 marks tagged to Thermodynamics. Only parts tagged to this subtopic are counted, so a four-part question can contribute one item and one part's marks. The table lists every matching question, its tagged parts and marks, with a link back to the paper page. Sessions are newest first, so the statement can be traced back through the full paper history.

Topic questions by session

Newest sessions first. Parts and marks count only the parts tagged to this subtopic; “x of y parts” shows how much of the question is tagged elsewhere. Select the paper cell to open the matching question on the paper page, or use Go to Practice Hub to answer that exact question in the Interactive Practice Hub.

PaperQuestionTypePartsMarksDifficultyPractice
WPH15/01January 2026 · Edexcel IAL Q18
Exoplanets and Stellar Characteristics of Trappist-1 - Edexcel IAL Physics Jan 2026 Q18
FRQ 1 of 6 parts ((b)(ii)) 2
of 14 on the paper
Easy Go to Practice Hub
WPH15/02January 2026 · Edexcel IAL Q2
Molecular Mean Squared Speed - Edexcel IAL Physics Jan 2026 Q2
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/02January 2026 · Edexcel IAL Q15
Weather Balloon Physics - Edexcel IAL Physics Jan 2026 Q15
FRQ 1 of 2 parts ((b)) 2
of 5 on the paper
Easy Go to Practice Hub
WPH15/01October 2025 · Edexcel IAL Q10
Thermodynamics - Molecular Kinetic Theory - Edexcel IAL Physics Oct 2025 Q10
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01October 2025 · Edexcel IAL Q19
Thermodynamics - Upthrust and Gas Behavior - Edexcel IAL Physics Oct 2025 Q19
FRQ 1 of 2 parts ((b)) 6
of 10 on the paper
Easy Go to Practice Hub
WPH15/02October 2025 · Edexcel IAL Q10
Molecular RMS Speed Ratio - Edexcel IAL Physics Oct 2025 Q10
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01June 2025 · Edexcel IAL Q19
Tau Ceti Stellar Properties - Edexcel IAL Physics June 2025 Q19
FRQ 1 of 3 parts ((a)(ii)) 2
of 10 on the paper
Medium Go to Practice Hub
WPH15/01January 2025 · Edexcel IAL Q6
Gaseous Kinetic Theory - Edexcel IAL Physics Jan 2025 Q6
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01October 2024 · Edexcel IAL Q11
Edexcel IAL Physics Unit 5 Oct 2024 Q11
FRQ 1 part 2 Easy Go to Practice Hub
WPH15/01June 2024 · Edexcel IAL Q8
Gas Molecule RMS Speed Ratio - Edexcel IAL Physics Unit 5 Jun 2024 Q8
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01January 2024 · Edexcel IAL Q8
Thermodynamics - Edexcel IAL Physics Jan 2024 Q8
MCQ MCQ · 1 part 1 Easy Go to Practice Hub
WPH15/01October 2023 · Edexcel IAL Q11
Molecular Kinetic Energy in a Balloon - Edexcel IAL Physics Oct 2023 Q11
FRQ 1 part 3 Medium Go to Practice Hub
WPH15/01January 2023 · Edexcel IAL Q12
Escape Velocity and Atmospheric Composition - Edexcel IAL Physics Jan 2023 Q12
FRQ 1 of 3 parts ((b)(ii)) 2
of 6 on the paper
Medium Go to Practice Hub
WPH15/01January 2023 · Edexcel IAL Q17
Ideal Gas Pressure and Molecular Motion - Edexcel IAL Physics Jan 2023 Q17
FRQ 1 of 2 parts ((b)) 6
of 10 on the paper
Medium Go to Practice Hub
WPH15/01June 2022 · Edexcel IAL Q19
Mercury Atoms Spectrum and Star Chi Lupi Properties - Edexcel IAL Physics Jun 2022 Q19
FRQ 1 of 3 parts ((a)) 3
of 8 on the paper
Medium Go to Practice Hub
WPH15/01January 2022 · Edexcel IAL Q13
Weather Balloon Thermodynamics - Edexcel IAL Physics Jan 2022 Q13
FRQ 1 of 2 parts ((b)) 2
of 5 on the paper
Easy Go to Practice Hub
WPH15/01October 2021 · Edexcel IAL Q14
Properties of Landfill Natural Gas - Edexcel IAL Physics Oct 2021 Unit 5 Q14
FRQ 1 of 2 parts ((b)) 3
of 6 on the paper
Easy Go to Practice Hub
WPH15/01June 2021 · Edexcel IAL Q7
Mean Square Speed of Helium Molecules - Edexcel IAL Physics Jun 2021 Q7
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01October 2020 · Edexcel IAL Q3
Gas Molecules rms Velocity Ratio - Edexcel IAL Physics Oct 2020 Q3
MCQ MCQ · 1 part 1 Medium Go to Practice Hub

Topic question rules and edge cases

How many topic questions cover this syllabus point?
19 question stems cover this subtopic across 16 papers, but only 19 tagged parts and 41 marks belong to it. Other parts of the same questions are assessed under different statements and are excluded from this page.
Which papers include this subtopic?
The table lists every matching session from 2020–2026. Each row links to the question anchor on the paper page, where the full paper context and practice entry point are available.
Why can one question appear under several subtopics?
The parts of one question can assess different syllabus statements. Each part is counted under its own subtopics, so the same question stem can appear on several subtopic pages while each page lists only the parts and marks tagged to that statement.
Can I practise these questions with AI marking?
Yes. Open a paper from the table and use the Interactive Practice Hub entry point. The page itself is static HTML so search engines and retrieval agents can read the full question list without executing JavaScript.