how much questions are from 12 syllabus in jee mains?

60-80% of question from 12th Board depending upon your IQ how much you can relate question

Questions from 12th class syllabus is not fixed it can change each year. Ratio from class 12th syllabus can be 50% or 60%.



You can check below important topics for your exam with weightage



PHYSICS :-



THE MOST IMPORTANT CHAPTER ( DO OR DIE ) CHAPTERS



Electrostatics - around 9%

Heat and Thermodynamics -around 8%

Rotational Motion -around 7%

Wave Motion -7%

Laws of Motion -around 6%

Simple Harmonic Motion -around 5%

Wave Optics-5%

Units Dimensions and Errors -around 4%

Work Power and Energy -around 4%



IMPORTANT TOPICS (Should do) CHAPTERS



Modern Physics -around 4%

Current Electricity -around 4%

Electromagnetic Induction -around 3%

Physics of Nucleus -around 3%

Fluids -around 2%

Gravitation -around 2%

Elasticity -around 2%

Solids and Semi conductor Devices -around 2%

Center of Mass , Momentum and impulse -around 2%

Kinetic gases -around 2%

Radioactivity -around 4%



IF YOU HAVE TIME GO THROUGH THESE TOPICS



AC,

EMW (Electro Magnetic Waves)

Vectors

2D

Circular motion

Capacitance

Kinematics



CHEMISTRY:-



DO OR DIE CHAPTERS



General Organic Chem -around 9%

Alcohol Phenols and Ethers -around 7%

Redox Reactions -around 6%

Chemical Bonding -around 5%

Coordination Chem -around 5%

Inorganic Chem -around 10%

Aldehyde and Ketones -around 5%

Solutions -around 5%

Solid State -around 5%



IMPORTANT TOPICS



Chemical Thermodynamics -around 5%

Ionic Equilibrium -around 3%

Chemical Equilibrium -around 3%

Surface Chemistry -around 3%

Periodic Classifications -around 2%

Atomic Structure -around 2%

Metallurgy -around 2%

Gaseous State -around 2%

D and F block -around 2%

Polymers -around 2%



OTHERS:-



Chemical kinetics

Biomolecules

Electro chem

other organic topics



MATHS:-



Do OR DIE TOPICS



Probability -around 7%

Definite Integration -around 6%

Circles -around 5%

Vectors -around 5%

Theory of Equations -around 5%

Sequences and Series -around 5%

Complex Numbers -around 5%

3D -around 5%

Matrices and Determinants -around 4%

Differential Coefficient -around 4%

Sets Relations and Functions -around 4%



IMPORTANT TOPICS



Application of Derivatives -around 4%

Trigonometry -around 5%

Parabola -around 3%

Limits -around 3%

Heights and Distances -around 2%

P&C -around 2%

Straight Lines -around 2%

Areas -around 2%

Differential Equations -around 2%

Continuity and Different-ability -around 2%



LEAST IMP.



Other Conics

Binomial Theorem

Mathematical Induction

Prop of Triangles

Statistics

Pairs of St.Lines