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Updated for JEE Main 2027

Most Important Chapters for JEE Main

The top 30 chapters across Physics, Chemistry and Mathematics, ranked by their share of subject marks - computed from 4,543 solved JEE Main PYQs (2023–2026), not copied from a coaching handout.

#ChapterSubjectClassExpected marksShare of subject
1Coordinate GeometryMathematics11~1513.8%
2Integral CalculusMathematics12~109.2%
3Properties of Solids & LiquidsPhysics11~128.4%
4Limits, Continuity & DifferentiabilityMathematics12~98.3%
5Three-Dimensional GeometryMathematics12~98.3%
6OpticsPhysics12~117.7%
7Matrices & DeterminantsMathematics12~87.3%
8Permutations & CombinationsMathematics11~87.3%
9Sets, Relations & FunctionsMathematics11~87.3%
10Coordination CompoundsChemistry12~97.2%
11ElectrostaticsPhysics12~107%
12Atomic StructureChemistry11~86.4%
13Chemical Bonding & Molecular StructureChemistry11~86.4%
14Organic Compounds containing OxygenChemistry12~86.4%
15Redox Reactions & ElectrochemistryChemistry12~86.4%
16Complex Numbers & Quadratic EquationsMathematics11~76.4%
17Statistics & ProbabilityMathematics11~76.4%
18Vector AlgebraMathematics12~76.4%
19Current ElectricityPhysics12~96.3%
20Electromagnetic Induction & Alternating CurrentPhysics12~85.6%
21KinematicsPhysics11~85.6%
22Oscillations & WavesPhysics11~85.6%
23Basic Principles of Organic ChemistryChemistry11~75.6%
24BiomoleculesChemistry12~75.6%
25Chemical ThermodynamicsChemistry11~75.6%
26EquilibriumChemistry11~75.6%
27Differential EquationsMathematics12~65.5%
28Sequences & SeriesMathematics11~65.5%
29Atoms & NucleiPhysics12~74.9%
30Electronic DevicesPhysics12~74.9%

Chapters are ranked by share of their own subject's expected marks, so subjects with different totals compare fairly. Every chapter links to its free solved PYQs.

Full subject-wise weightage

All subjectsJEE Physics weightageJEE Chemistry weightageJEE Mathematics weightage

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