JEE Strategy4 min read
Most Repeated Concepts in JEE Main 2022–2026 (Top 20)
Chapters tell you what to study. Concepts tell you what to master. These are the 20 concepts JEE Main has come back to most often between 2022 and 2026, with year-wise counts.
Edurack
October 21, 2026
A chapter is a big unit. Inside every chapter there are a handful of ideas that the paper returns to again and again. Mastering those first gives you the highest return per hour of study.
The top 20 repeated concepts
Counts include every shift and session between 2022 and 2026.
| # | Concept | Subject | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|---|---|
| 1 | Linear Differential Equation | Maths | 20 | 21 | 19 | 4 | 15 | 79 |
| 2 | Area Bounded by Two Curves | Maths | 12 | 17 | 14 | 18 | 11 | 72 |
| 3 | Dispersion (Variance and Standard Deviation) | Maths | 13 | 10 | 16 | 13 | 8 | 60 |
| 4 | Vector (Cross) Product of Two Vectors | Maths | 8 | 14 | 14 | 16 | 2 | 54 |
| 5 | Logic Gates | Physics | 12 | 4 | 10 | 9 | 10 | 45 |
| 6 | General Term of Binomial Expansion | Maths | 12 | 8 | 16 | 5 | 4 | 45 |
| 7 | Definite Integration | Maths | 2 | 5 | 16 | 14 | 7 | 44 |
| 8 | Shortest Distance Between Two Lines | Maths | 4 | 5 | 11 | 14 | 9 | 43 |
| 9 | De Broglie Wavelength of an Electron | Physics | 16 | 8 | 10 | 4 | 4 | 42 |
| 10 | Mole Concept and Molar Mass | Chemistry | 4 | 5 | 2 | 15 | 16 | 42 |
| 11 | Hooke's Law | Physics | 7 | 2 | 11 | 10 | 9 | 39 |
| 12 | Parallel Grouping of Resistance | Physics | 8 | 9 | 10 | 6 | 5 | 38 |
| 13 | Projectile Motion | Physics | 3 | 12 | 12 | 5 | 6 | 38 |
| 14 | Adiabatic Process | Physics | 8 | 5 | 6 | 8 | 8 | 35 |
| 15 | Nature of Electromagnetic Waves | Physics | 8 | 10 | 9 | 4 | 4 | 35 |
| 16 | Concentration Terms | Chemistry | 11 | 5 | 9 | 5 | 5 | 35 |
| 17 | Maxima and Minima of a Function | Maths | 8 | 6 | 3 | 10 | 8 | 35 |
| 18 | Cramer's Rule | Maths | 12 | 15 | 1 | 0 | 5 | 33 |
| 19 | Magnetic Moment (Valence Bond Theory) | Chemistry | 5 | 7 | 5 | 8 | 7 | 32 |
| 20 | Einstein's Photoelectric Equation | Physics | 9 | 10 | 1 | 6 | 5 | 31 |
What stands out
- Maths concepts dominate the top. Linear Differential Equation, Area Bounded by Two Curves and Dispersion (Variance and Standard Deviation) are among the most repeated ideas of all.
- Some concepts are steady. A concept asked in all five years is a safer bet than one that spiked once.
- A few are fading. If a concept's count drops sharply in recent years, check whether its chapter is still in the syllabus before spending time on it.
Concepts by subject
- Physics: Logic Gates (45), De Broglie Wavelength of an Electron (42), Hooke's Law (39), Parallel Grouping of Resistance (38) and Projectile Motion (38)
- Chemistry: Mole Concept and Molar Mass (42), Concentration Terms (35), Magnetic Moment (Valence Bond Theory) (32), First Order Reaction (29) and Percentage Composition and Equivalent Weight (29)
- Maths: Linear Differential Equation (79), Area Bounded by Two Curves (72), Dispersion (Variance and Standard Deviation) (60), Vector (Cross) Product of Two Vectors (54) and General Term of Binomial Expansion (45)
Full list of repeated concepts →
Frequently Asked Questions
Do JEE Main questions repeat exactly?
Rarely word for word. The idea repeats, the numbers and wording change.
Which concept has been asked most?
Linear Differential Equation (Maths) leads with 79 questions across 2022–2026.
Is a repeated concept guaranteed next year?
No. Past frequency is a guide for prioritising, not a guarantee.