Edexcel IAL · Physics · WPH12 · Waves and Particle Nature of Light
Topic Questions: 59 understand that the absorption of a photon can result in the emission of a photoelectron — WPH12 Waves and Particle Nature of Light
8 WPH12 Waves and Particle Nature of Light topic questions are tagged to this syllabus point across 7 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 Waves and Particle Nature of Light syllabus point appears in 7 WPH12 papers across 2020–2026, contributing 8 topic questions and 33 marks. The most recent appearance is WPH12/01 January 2026. That equals 1.7% of the 468 topic questions and 2.9% of the 1,138 marks tagged to Waves and Particle Nature of Light. 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 |
|---|---|---|---|---|---|---|
| WPH12/01January 2026 · Edexcel IAL | Q21 CCD and Photoelectric Effect - Edexcel IAL Physics Jan 2026 Q21 |
FRQ | 1 of 3 parts ((a)(ii)) | 5 of 12 on the paper |
Easy | Go to Practice Hub |
| WPH12/02January 2026 · Edexcel IAL | Q17 Photoelectric Effect Explanations - Edexcel IAL Physics Jan 2026 Q17 |
FRQ | 1 part | 6 | Medium | Go to Practice Hub |
| WPH12/01October 2025 · Edexcel IAL | Q15 Photoelectric Flame Detector - Edexcel IAL Physics Oct 2025 Q15 |
FRQ | 1 of 5 parts ((a)) | 4 of 16 on the paper |
Medium | Go to Practice Hub |
| WPH12/01October 2024 · Edexcel IAL | Q19 Photoelectric Effect and Photomultiplier - Edexcel IAL Physics Oct 2024 Q19 |
FRQ | 1 of 5 parts ((a)) | 2 of 15 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2024 · Edexcel IAL | Q19 Solar Cells & Photoelectric Effect - Edexcel IAL Physics Jan 2024 Q19 |
FRQ | 1 of 3 parts ((b)) | 5 of 13 on the paper |
Hard | Go to Practice Hub |
| WPH12/01October 2023 · Edexcel IAL | Q17 Photoelectric Effect Observations and Laser Laser Induction - Edexcel IAL Physics Oct 2023 Q17 |
FRQ | 1 of 3 parts ((a)) | 6 of 13 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2020 · Edexcel IAL | Q12 Solar Energy Generation Calculations - Edexcel IAL Physics Jan 2020 Q12 |
FRQ | 1 of 3 parts ((b)) | 2 of 6 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2020 · Edexcel IAL | Q14 Photoelectric Effect and Photocells - Edexcel IAL Physics Jan 2020 Q14 |
FRQ | 1 of 4 parts ((c)(i)) | 3 of 10 on the paper |
Easy | Go to Practice Hub |
Related topic questions in Waves and Particle Nature of Light
Topic question rules and edge cases
- How many topic questions cover this syllabus point?
- 8 question stems cover this subtopic across 7 papers, but only 8 tagged parts and 33 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.