Edexcel IAL · Physics · WPH14 · Nuclear and Particle Physics
Topic Questions: 123 understand how to use laws of conservation of charge, baryon number and lepton number to determine whether a particle interaction is possible — WPH14 Nuclear and Particle Physics
29 WPH14 Nuclear and Particle Physics topic questions are tagged to this syllabus point across 19 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.
Core finding
This Nuclear and Particle Physics syllabus point appears in 19 WPH14 papers across 2020–2026, contributing 29 topic questions and 68 marks. The most recent appearance is WPH14/01 January 2026. That equals 10.4% of the 278 topic questions and 10.4% of the 656 marks tagged to Nuclear and Particle Physics. 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.
| Paper | Question | Type | Parts | Marks | Difficulty | Practice |
|---|---|---|---|---|---|---|
| WPH14/01January 2026 · Edexcel IAL | Q13 Leptons, Mesons and Muon Decay Conservation Laws - Edexcel IAL Physics Unit 4 Jan 2026 Q13 |
FRQ | 1 of 2 parts ((b)) | 4 of 5 on the paper |
Easy | Go to Practice Hub |
| WPH14/02January 2026 · Edexcel IAL | Q1 Neutron Decay - Edexcel IAL Physics Jan 2026 Q1 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH14/01October 2025 · Edexcel IAL | Q2 Proton Collision Particle Creation - Edexcel IAL Physics Oct 2025 Q2 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH14/01October 2025 · Edexcel IAL | Q7 Decay of Carbon-11 by Positron Emission - Edexcel IAL Physics Oct 2025 Q7 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH14/01October 2025 · Edexcel IAL | Q15 Properties and Discovery of Tetraquarks - Edexcel IAL Physics Oct 2025 Q15 |
FRQ | 1 of 4 parts ((b)) | 1 of 7 on the paper |
Medium | Go to Practice Hub |
| WPH14/01October 2025 · Edexcel IAL | Q18 Pion Decay in a Bubble Chamber - Edexcel IAL Physics Oct 2025 Q18 |
FRQ | 1 of 3 parts ((b)(i)) | 2 of 6 on the paper |
Medium | Go to Practice Hub |
| WPH14/01June 2025 · Edexcel IAL | Q14 Omega Minus Particle Reaction - Edexcel IAL Physics June 2025 Q14 |
FRQ | 1 of 4 parts ((a)(ii)) | 2 of 9 on the paper |
Easy | Go to Practice Hub |
| WPH14/01January 2025 · Edexcel IAL | Q11 Conservation Laws in Solar Fusion Reaction - Edexcel IAL Physics Jan 2025 Q11 |
FRQ | 1 part | 3 | Medium | Go to Practice Hub |
| WPH14/01October 2024 · Edexcel IAL | Q4 Alpha Decay Nucleons - Edexcel IAL Physics Oct 2024 Q4 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH14/01October 2024 · Edexcel IAL | Q18 Sigma Plus Particle Decay - Edexcel IAL Physics Oct 2024 Q18 |
FRQ | 1 of 5 parts ((b)(ii)) | 4 of 17 on the paper |
Easy | Go to Practice Hub |
| WPH14/01June 2024 · Edexcel IAL | Q14 Standard Quark-Lepton Model and Leptoquarks - Edexcel IAL Physics Unit 4 June 2024 Q14 |
FRQ | 1 of 4 parts ((b)(i)) | 5 of 11 on the paper |
Easy | Go to Practice Hub |
| WPH14/01January 2024 · Edexcel IAL | Q6 Pion Decay Conservation Laws - Edexcel IAL Physics Jan 2024 Q6 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH14/01January 2024 · Edexcel IAL | Q22 Kaon Structure and Cyclotron Principles - Edexcel IAL Physics Jan 2024 Q22 |
FRQ | 1 of 4 parts ((a)(i)) | 2 of 13 on the paper |
Easy | Go to Practice Hub |
| WPH14/01October 2023 · Edexcel IAL | Q21 Pion Decay and Conservation Laws - Edexcel IAL Physics Oct 2023 Q21 |
FRQ | 1 of 4 parts ((b)) | 4 of 10 on the paper |
Easy | Go to Practice Hub |
| WPH14/01June 2023 · Edexcel IAL | Q9 Beta Minus Decay Equation - Edexcel IAL Physics June 2023 Q9 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH14/01June 2023 · Edexcel IAL | Q11 Quark Structure of Pentaquarks - Edexcel IAL Physics June 2023 Q11 |
FRQ | 1 part | 5 | Medium | Go to Practice Hub |
| WPH14/01January 2023 · Edexcel IAL | Q11 Muon Decay Analysis - Edexcel IAL Physics Jan 2023 Q11 |
FRQ | 1 of 2 parts ((b)) | 3 of 4 on the paper |
Easy | Go to Practice Hub |
| WPH14/01October 2022 · Edexcel IAL | Q7 Baryon Quark Composition - Edexcel IAL Physics Oct 2022 Q7 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH14/01October 2022 · Edexcel IAL | Q11 Particle Classification and Conservation - Edexcel IAL Physics Oct 2022 Q11 |
FRQ | 1 of 3 parts ((c)) | 4 of 6 on the paper |
Easy | Go to Practice Hub |
| WPH14/01June 2022 · Edexcel IAL | Q2 Proton-Antiproton Collision Products - Edexcel IAL Physics June 2022 Q2 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH14/01January 2022 · Edexcel IAL | Q16 Meson-Proton Collision and Conservation Laws - Edexcel IAL Physics Jan 2022 Q16 |
FRQ | 1 of 5 parts ((b)(iii)) | 3 of 14 on the paper |
Easy | Go to Practice Hub |
| WPH14/01October 2021 · Edexcel IAL | Q17 LINAC and Particle Collisions - Edexcel IAL Physics Oct 2021 Q17 |
FRQ | 1 of 4 parts ((c)) | 3 of 14 on the paper |
Medium | Go to Practice Hub |
| WPH14/01October 2021 · Edexcel IAL | Q18 Particle Tracks and Conservation of Momentum - Edexcel IAL Physics Oct 2021 Q18 |
FRQ | 1 of 6 parts ((e)(i)) | 1 of 15 on the paper |
Easy | Go to Practice Hub |
| WPH14/01June 2021 · Edexcel IAL | Q3 Neutrino Interaction Equations - June 2021 Q3 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH14/01January 2021 · Edexcel IAL | Q13 Anti-neutron Decay Conservation Laws - Edexcel IAL Physics Jan 2021 Q13 |
FRQ | 1 of 2 parts ((b)) | 6 of 8 on the paper |
Medium | Go to Practice Hub |
| WPH14/01October 2020 · Edexcel IAL | Q2 Neutron Decay Conservation Laws - Edexcel IAL Physics June 2020 Q2 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH14/01October 2020 · Edexcel IAL | Q17 Radon Decay in Cloud Chamber - Edexcel IAL Physics June 2020 Q17 |
FRQ | 1 of 5 parts ((b)(i)) | 2 of 14 on the paper |
Easy | Go to Practice Hub |
| WPH14/01January 2020 · Edexcel IAL | Q1 Neutron Decay - Edexcel IAL Physics Jan 2020 Q1 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH14/01January 2020 · Edexcel IAL | Q11 Nuclear Synthesis of Technetium - Edexcel IAL Physics Jan 2020 Q11 |
FRQ | 1 part | 3 | Easy | Go to Practice Hub |
Related topic questions in Nuclear and Particle Physics
111 understand what is meant by nucleon number (mass number) and proton number (atomic number)
17 marks · 2020–2026
112 understand how large-angle alpha particle scattering gives evidence for a nuclear model of the atom and how our understanding of atomic structure has changed over time
76 marks · 2020–2026
113 understand that electrons are released in the process of thermionic emission and how they can be accelerated by electric and magnetic fields
65 marks · 2020–2026
114 understand the role of electric and magnetic fields in particle accelerators (linac and cyclotron) and detectors (general principles of ionisation and deflection only)
100 marks · 2020–2026
115 be able to derive and use the equation for a charged particle in a magnetic field
91 marks · 2020–2026
116 be able to apply conservation of charge, energy and momentum to interactions between particles and interpret particle tracks
89 marks · 2020–2026
Topic question rules and edge cases
- How many topic questions cover this syllabus point?
- 29 question stems cover this subtopic across 19 papers, but only 29 tagged parts and 68 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.