# Units and Measurements JEE Main PYQ Chapter Wise (2016–2026)

> Units and Measurements JEE Main PYQs: all 14 questions from 11 official papers (2016–2026), by concept with official answers. Asked in 2 of 3 years.

Source: https://previousyearquestions.app/jee-main/chapters/units-measurements/

Explore: <a href="/jee-main/chapters/">All JEE Main chapters</a> · <a href="/jee-main/chapters/physics/">JEE Main Physics PYQs</a> · <a href="/jee-main/">JEE Main hub</a> · <a href="/jee-main/2026/">JEE Main 2026</a> · <a href="/jee-main/syllabus-pattern/">Syllabus & pattern</a>

## Answer first

Units and Measurements PYQs (previous year questions) for JEE Main: Units and Measurements (Physics) had **14 questions** across the 11 official JEE Main papers we tagged (2016–2026), and appeared in 9 of them. Asked in 2 of 3 years. The concepts asked in the most papers: Dimensional Analysis, Errors in Measurement, Natural Units.

## Year-wise question count

<ChapterQuestions exam="jee-main" chapter="units-measurements" part="trend" />

## Most-asked concepts

Sorted by the number of papers a concept appeared in.

<ChapterQuestions exam="jee-main" chapter="units-measurements" part="concepts" />

## How to practise Units and Measurements PYQs

1. Start with the concepts at the top of the table. They have come back the most.
2. Solve one year's Units and Measurements questions from the official PDF against the clock, then check the answer listed below.
3. Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
4. Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.

## Questions by year

Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.

<ChapterQuestions exam="jee-main" chapter="units-measurements" part="questions" />

## Units and Measurements in other exams

The same chapter in other official papers we tagged: [JEE Advanced](/jee-advanced/chapters/units-measurements/) (19 questions), [NEET](/neet/chapters/#units-measurements) (3 questions).

## Other Physics chapters

- [Kinematics PYQs](/jee-main/chapters/kinematics/)
- [Laws of Motion PYQs](/jee-main/chapters/laws-of-motion/)
- [Work, Energy and Power PYQs](/jee-main/chapters/work-energy-power/)
- [Rotational Motion PYQs](/jee-main/chapters/rotational-motion/)
- [Gravitation PYQs](/jee-main/chapters/gravitation/)
- [Properties of Solids and Liquids PYQs](/jee-main/chapters/properties-of-solids-liquids/)
- [Thermodynamics PYQs](/jee-main/chapters/thermodynamics/)
- [Kinetic Theory of Gases PYQs](/jee-main/chapters/kinetic-theory-of-gases/)
- [Oscillations and Waves PYQs](/jee-main/chapters/oscillations-waves/)
- [Electrostatics PYQs](/jee-main/chapters/electrostatics/)
- [Current Electricity PYQs](/jee-main/chapters/current-electricity/)
- [Magnetic Effects of Current and Magnetism PYQs](/jee-main/chapters/magnetic-effects-magnetism/)
- [Electromagnetic Induction and AC PYQs](/jee-main/chapters/electromagnetic-induction-ac/)
- [Electromagnetic Waves PYQs](/jee-main/chapters/electromagnetic-waves/)
- [Optics PYQs](/jee-main/chapters/optics/)
- [Dual Nature of Matter and Radiation PYQs](/jee-main/chapters/dual-nature-matter-radiation/)
- [Atoms and Nuclei PYQs](/jee-main/chapters/atoms-nuclei/)
- [Electronic Devices PYQs](/jee-main/chapters/electronic-devices/)
- [Experimental Skills PYQs](/jee-main/chapters/experimental-skills-physics/)

## FAQ

### How many Units and Measurements questions come in JEE Main?
In the official papers we tagged: 13 in 2026 (9 papers) and 1 in 2016 (1 paper). Not asked in the other year. That is 14 questions in all, about 5% of Physics.

### Which Units and Measurements topics repeat in JEE Main?
Asked in the most papers: Dimensional Analysis, Errors in Measurement, Natural Units. The concept table lists every one with its count.

### Are these official JEE Main questions?
Yes. Every question is from an official JEE Main paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.