CIE IAL · Physics · 9702 P4 · Mass defect and nuclear binding energy

Topic Questions: 2 represent simple nuclear reactions by nuclear equations of the form — 9702 P4 Mass defect and nuclear binding energy

4 9702 P4 Mass defect and nuclear binding energy topic questions are tagged to this syllabus point across 4 papers (2025–2026). Only the parts whose knowledge graph matches this syllabus statement are counted, and the table shows which parts of each question are involved.

4 topic questions 4 papers 11 tagged marks 20.0% of topic questions 21.6% of topic marks 2025–2026 Syllabus 2025–2027

Core finding

This Mass defect and nuclear binding energy syllabus point appears in 4 9702 P4 papers across 2025–2026, contributing 4 topic questions and 11 marks. The most recent appearance is 9702/41 May/June 2026. That equals 20.0% of the 20 topic questions and 21.6% of the 51 marks tagged to Mass defect and nuclear binding energy. 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
9702/41May/June 2026 · CIE IAL Q9
Mass Defect and Alpha Decay Energy Release - CIE A-Level Physics 2026 May/Jun Paper 41 Q9
FRQ 1 of 3 parts ((b)(i)) 4
of 9 on the paper
Easy Go to Practice Hub
9702/42May/June 2026 · CIE IAL Q10
Nuclear Fusion in Stars and Stellar Mass Consumption Rate - CIE A-Level Physics 2026 Jun Paper 42 Q10
FRQ 1 of 5 parts ((b)(i)) 1
of 11 on the paper
Easy Go to Practice Hub
9702/43May/June 2026 · CIE IAL Q9
Mass Defect, Alpha Decay and Energy Released - CIE A Level Physics
FRQ 1 of 3 parts ((b)(i)) 4
of 9 on the paper
Easy Go to Practice Hub
9702/44October/November 2025 · CIE IAL Q8
PET Scanning and Radioactive Decay of Oxygen-15 - CIE A Level Physics 2025 Nov Paper 44 Q8
FRQ 1 of 8 parts ((b)(i)) 2
of 15 on the paper
Easy Go to Practice Hub

Topic question rules and edge cases

How many topic questions cover this syllabus point?
4 question stems cover this subtopic across 4 papers, but only 4 tagged parts and 11 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 2025–2026. 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.