Questions
22
across 8 papers
Share of subject
5.7%
of 387 Physics Qs
Weightage rank
#4
of 30 chapters
Difficulty
11 easy · 9 medium · 2 hard
Units and Measurements contributed 22 of the 387 NEET Physics questions between 2020 and 2026 (Re-NEET 2026 included). That is 5.7% of the subject and makes it the #4 chapter out of 30 by weightage — roughly 2.8 questions per paper, peaking at 3 in NEET 2020.
Of the 22 questions tagged for difficulty, 50% were easy, 41% medium and 9% hard — a chapter where NCERT-level preparation pays off directly.
Its weight has stayed fairly steady: 2.7 questions per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 3 in 2020–2022.
The single most-tested topic is Dimensions of Physical Quantities — 4 questions across 3 papers.
12 topics tagged under Units and Measurements. Numbers show how many questions each topic had in each paper; E / M / H are the easy, medium and hard counts.
| Topic | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Re | Total | E | M | H |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dimensions of Physical Quantities | 1 | – | 2 | – | 1 | – | – | – | 4 | 3 | – | 1 |
| Dimensional Analysis and its Applications (Finding the Dimensions of Unknowns) | – | 2 | – | – | – | – | – | 1 | 3 | – | 3 | – |
| Errors in Measurement (Combination of Errors) | – | – | – | 1 | – | 1 | – | – | 2 | 1 | 1 | – |
| Measuring Instruments (Least Count of Vernier Callipers) | – | – | – | – | 1 | – | 1 | – | 2 | 1 | 1 | – |
| Measuring Instruments (Reading Vernier Callipers) | – | – | – | – | – | 1 | – | 1 | 2 | – | 1 | 1 |
| Measuring Instruments (Reading of Screw Gauge) | 1 | 1 | – | – | – | – | – | – | 2 | 1 | 1 | – |
| Significant Figures (Rules for Arithmetic Operations with Significant Fi…) | – | – | 1 | – | – | – | 1 | – | 2 | 1 | 1 | – |
| Dimensional Analysis and its Applications (Deducing Relation u– among Various Physical Quantities) | – | – | – | – | – | 1 | – | – | 1 | 1 | – | – |
| Dimensional Constants r– | – | – | – | – | 1 | – | – | – | 1 | – | 1 | – |
| Errors in Measurement (Systematic Errors, Random Errors and Gross Error) | – | – | – | 1 | – | – | – | – | 1 | 1 | – | – |
| Measurement of Length (Measurement of Large Distances and Estimation of very Small Distances) (Measurement of Length-Measurement of Large Distance…) | – | – | – | – | – | – | 1 | – | 1 | 1 | – | – |
| Significant Figures (Rule to Find Significant Figures or Digit) | 1 | – | – | – | – | – | – | – | 1 | 1 | – | – |
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 22 Physics questions came from Units and Measurements — 5.7% of the subject, or about 2.8 per paper.
By past weightage it ranks #4 of 30 Physics chapters, so it is one of the five highest-weightage Physics chapters, with 22 questions over 2020–2026.
The most-tested topics are Dimensions of Physical Quantities (4), Dimensional Analysis and its Applications (Finding the Dimensions of Unknowns) (3) and Errors in Measurement (Combination of Errors) (2). The topic table above lists every topic with its count in each paper.
Of the 22 difficulty-tagged questions, 50% were easy, 41% medium and 9% hard.
Dimensional Analysis and its Applications (Finding the Dimensions of Unknowns), Measuring Instruments (Least Count of Vernier Callipers), Measuring Instruments (Reading Vernier Callipers) and Significant Figures (Rules for Arithmetic Operations with Significant Fi…) and more were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Units and Measurements. Use the practice button on this page to open the set, attempt questions and check your answers.
Counts come from Edurack's tagged set of NEET papers 2020–2026 (including Re-NEET 2026), mapped to NCERT chapters and topics. Use them as a trend guide — past frequency doesn't guarantee what a future paper will ask.