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The approximate weightage in jee main:

For physics:

Modern physics: 20 Marks weightage.

Heat and thermodynamics,Optics,Current Electricity,Electrostatics: Each of 20 marks weightage.

Magnetics: 8 Marks

Unit, Dimension and Vector,Kinematics,Laws of motion,Work, Power and Energy,Centre Of Mass, Impulse and Momentum,Rotation,Gravitation,SHM,Solids and Fluids,Waves,Electromagnetics Induction ; AC: Each of 4 marks weightage.

For Chemistry:

Transition Elements and Coordination Chemistry,Periodic table and Representative Elements: Each of 12 marks weightage.

Thermodynamics And Gaseous State,Atomic Structure,Chemical Bonding,Chemical And Ionic Equilibrium,Solid State And Surface Chemistry,Nuclear Chemistry And Environment: Each of 8 marks weightage.

Mole Concept, Redox Reaction, Electrochemistry, Chemical Kinetics, Solution and Colligative Properties, General Organic Chemistry, Stereochemistry, Hydrocarbon, Alkyl Halides, Carboxylic Acid and their Derivatives, Carbohydrates,amino acid and Polymers, Aromatic Compounds: Each of 4 marks weightage.

For mathematics:

Coordinate Geometry: 20 marks weightage.

Limits, Continuity and Differentiability,Integral Calculus: Each of 12 marks weightage.

Complex numbers and Quadratic Equation, Matrices and Determinants, Statistics and Probability, Three Dimensional Geometry, Vector Algebra: Each of 8 marks weightage.

Sets, Relation and Function 1 4 Permutations and Combinations 1 4 Binomial Theorem and Its Application, Sequences and Series, Trigonometry, Mathematical Reasoning, Differential Equation, Statics and Dynamics, Differential Calculus: Each of 4 marks weightage.

You can also visit these links for more information:

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

Jee college predictor:

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

Hope it helps.

All the best for your future.

Hey!

Below mentioned are the important topics for JEE Mains 2022.

Physics

Rotational Motion

Thermodynamics

SHM

Electrostatics

Magnetism

Optics

Modern Physics

Mathematics

Complex Number

Conic Section

Circle

Calculus

Vector & 3 D

Probability

Trigonometric Equation

Properties of Triangles

Quadratic Equation

Sequence and Series

Permutations and combination

Chemistry

Chemical bonding

Electrochemistry

Coordination compound

Salt analysis

Ionic equilibrium

Thermodynamics & thermochemistry

Aldehydes and ketones

Aromatic hydrocarbons

GOC isomerism

Liquid solutions

Alkyl halides and aryl halides

For further information regarding the exam, you may refer the link provided below.

https://www.google.com/amp/s/engineering.careers360.com/articles/important-topics-for-jee-main-and-advanced/amp