# WPH13 Implementation and measurements Topic Questions > Edexcel IAL WPH13: every Implementation and measurements topic question from 22 papers (2019–2026), grouped by syllabus point. 56 questions, 136 marks, with… - Canonical HTML: https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/ - Markdown mirror: https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/index.md --- Edexcel IAL · Physics · WPH13 · A Level Every WPH13 Implementation and measurements topic question from the 2018–current syllabus, drawn from 22 papers (2019–2026) and grouped by syllabus point. Each row opens a page listing the exact question numbers, marks and a direct link into the paper. These are questions by topic, not full papers, so you can revise one topic at a time. - WPH13 - 5 subtopics - 56 topic questions - 22 papers - 136 tagged marks - [Back to Implementation and measurements](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/) - [All paper codes](https://www.examsci.com/topics/) Core finding **comment on how the experiment may be improved, possibly by using… is the most frequently assessed subtopic in Implementation and measurements, with 21 topic questions and 55 marks across 15 papers.** comment on significant figures follows with 21 topic questions and 47 marks. The topic contains 5 subtopics, 56 topic questions and 136 marks in total. Rows count only the parts tagged to that subtopic, keep the same colour in both charts and repeat paper count, tagged marks and year range in the native table. ## Topic question count and mark distribution Subtopics are on the vertical axis and sorted from highest to lowest. Only the parts whose knowledge graph matches a subtopic are counted for it, and percentages are each row's share of the tagged total in that chart. A part tagged to several subtopics is counted in each bar, so the bars are not a partition of the topic total. ### Questions by subtopic question items - [• comment on how the experiment may be improved, possibly by using additional apparatus (e.g. to reduce errors) - examples may include using a set square to determine whether a ruler is vertical to aid the measurement of the extension of a spring.](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-how-the-experiment-may-be-improved-possibly-by-using-additional-apparatus/) (15 papers) — 21 · 28.4% - [• comment on significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-significant-figures/) (19 papers) — 21 · 28.4% - [• comment on the number of readings taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-number-of-readings-taken/) (13 papers) — 15 · 20.3% - [• check a reading that is inconsistent with other readings, e.g. a point that is not on the line of a graph - students may be shown a diagram of a micrometer that is being used to measure the diameter of a wire and be expected to write down the reading to the correct number of significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/check-a-reading-that-is-inconsistent-with-other-readings-e-g-a-point-that-is-not-on/) (10 papers) — 11 · 14.9% - [• comment on the range of measurements taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-range-of-measurements-taken/) (6 papers) — 6 · 8.1% ### Marks by subtopic marks - [• comment on how the experiment may be improved, possibly by using additional apparatus (e.g. to reduce errors) - examples may include using a set square to determine whether a ruler is vertical to aid the measurement of the extension of a spring.](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-how-the-experiment-may-be-improved-possibly-by-using-additional-apparatus/) (15 papers) — 55 · 30.6% - [• comment on significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-significant-figures/) (19 papers) — 47 · 26.1% - [• comment on the number of readings taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-number-of-readings-taken/) (13 papers) — 35 · 19.4% - [• check a reading that is inconsistent with other readings, e.g. a point that is not on the line of a graph - students may be shown a diagram of a micrometer that is being used to measure the diameter of a wire and be expected to write down the reading to the correct number of significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/check-a-reading-that-is-inconsistent-with-other-readings-e-g-a-point-that-is-not-on/) (10 papers) — 28 · 15.6% - [• comment on the range of measurements taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-range-of-measurements-taken/) (6 papers) — 15 · 8.3% ## Subtopic comparison matrix Curriculum order is by syllabus number, then alphabetically. Every row links to the matching past-paper question list. | Subtopic | Topic questions | Papers | Marks | Years | | | --- | --- | --- | --- | --- | --- | | **[• check a reading that is inconsistent with other readings, e.g. a point that is not on the line of a graph - students may be shown a diagram of a micrometer that is being used to measure the diameter of a wire and be expected to write down the reading to the correct number of significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/check-a-reading-that-is-inconsistent-with-other-readings-e-g-a-point-that-is-not-on/)** | 11 | 10 | 28 | 2019–2025 | [Open topic questions](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/check-a-reading-that-is-inconsistent-with-other-readings-e-g-a-point-that-is-not-on/) | | **[• comment on how the experiment may be improved, possibly by using additional apparatus (e.g. to reduce errors) - examples may include using a set square to determine whether a ruler is vertical to aid the measurement of the extension of a spring.](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-how-the-experiment-may-be-improved-possibly-by-using-additional-apparatus/)** | 21 | 15 | 55 | 2019–2026 | [Open topic questions](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-how-the-experiment-may-be-improved-possibly-by-using-additional-apparatus/) | | **[• comment on significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-significant-figures/)** | 21 | 19 | 47 | 2019–2026 | [Open topic questions](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-significant-figures/) | | **[• comment on the number of readings taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-number-of-readings-taken/)** | 15 | 13 | 35 | 2019–2026 | [Open topic questions](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-number-of-readings-taken/) | | **[• comment on the range of measurements taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-range-of-measurements-taken/)** | 6 | 6 | 15 | 2020–2026 | [Open topic questions](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-range-of-measurements-taken/) | ## Browse every topic question - [• check a reading that is inconsistent with other readings, e.g. a point that is not on the line of a graph - students may be shown a diagram of a micrometer that is being used to measure the diameter of a wire and be expected to write down the reading to the correct number of significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/check-a-reading-that-is-inconsistent-with-other-readings-e-g-a-point-that-is-not-on/) — 11 question items · 10 papers — 28 marks · 2019–2025 - [• comment on how the experiment may be improved, possibly by using additional apparatus (e.g. to reduce errors) - examples may include using a set square to determine whether a ruler is vertical to aid the measurement of the extension of a spring.](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-how-the-experiment-may-be-improved-possibly-by-using-additional-apparatus/) — 21 question items · 15 papers — 55 marks · 2019–2026 - [• comment on significant figures](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-significant-figures/) — 21 question items · 19 papers — 47 marks · 2019–2026 - [• comment on the number of readings taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-number-of-readings-taken/) — 15 question items · 13 papers — 35 marks · 2019–2026 - [• comment on the range of measurements taken](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/comment-on-the-range-of-measurements-taken/) — 6 question items · 6 papers — 15 marks · 2020–2026 ## Other topics in WPH13 - [Planning 173 question items](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/planning/) - [Processing Results 285 question items](https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/processing-results/) ## Topic question rules and edge cases **How many subtopics does Implementation and measurements contain?** This page lists 5 subtopics tagged to the current syllabus. They are ordered by syllabus number, then alphabetically, and each row opens a page of matching past-paper questions. **How are the subtopic question and mark totals calculated?** A multiple-choice question contributes one item and its marks to every subtopic it is tagged with. A structured question contributes one item per tagged part, and that part’s marks; untagged parts of the same question are not counted here. A part tagged to several subtopics therefore appears under each of them. **Why do some subtopics have no numbered prefix?** Practical-skills statements and some syllabus bullets are unnumbered. Numbered statements come first; unnumbered statements and ties are sorted alphabetically. **Is the LaTeX rendered without JavaScript?** Yes. Subtopics that contain formulas are converted to static KaTeX HTML during the build, and the KaTeX stylesheet is served from the same site. --- Full page with native tables, bar charts and Practice Hub links: https://www.examsci.com/topics/edexcel-ial/physics/physics-unit-3-wph13/implementation-and-measurements/