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Hi aspirant,
There is no fixed weightage of chapters or topics that are asked from physics, chemistry and mathematics in the JEE main examination however from the general pattern it can be summarized how many questions are are asked from a particular topic. Following below is the table consisting of the topics with their weightage according to the past years:
Topics
No of Questions
Marks
Modern Physics
5
20
Heat and Thermodynamics
3
12
Optics
Current Electricity
Electrostatics
Magnetics
2
8
Unit, Dimension and Vector
1
4
Kinematics
Laws of motion
Work, Power and Energy
Centre Of Mass, Impulse and Momentum
Rotation
Gravitation
Simple Harmonic Motion
Solids and Fluids
Waves
Electromagnetics Induction ; AC
Transition Elements and Coordination Chemistry
Periodic table and Representative Elements
Thermodynamics And Gaseous State
Atomic Structure
Chemical Bonding
Chemical And Ionic Equilibrium
Solid State And Surface Chemistry
Nuclear Chemistry And Environment
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
Coordinate Geometry
Limits, Continuity and Differentiability
Integral Calculus
Complex numbers and Quadratic Equation
Matrices and Determinants
Statistics and Probability
Three Dimensional Geometry
Vector Algebra
Sets, Relation and Function
Permutations and Combinations
Binomial Theorem and Its Application
Sequences and Series
Trigonometry
Mathematical Reasoning
Differential Equation
Statics and Dynamics
Differential Calculus
Hope it helps!!
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