JEE Main Important Topics 2019: JEE Main is one of the toughest competitive exam for engineering aspirants. Rather than learning the formulae, chemical equations, steps for some questions and other rotting sections, go for the smarter way which is quick and easy. Every chapter in the JEE Main Syllabus is assigned a weightage of marks. Break down all these chapters in a 34 categories, such as most important chapters that carry high weightage of marks, important chapters that carry average weightage of marks and then least important chapters that hold the minimum weightage of marks.
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Read the following article to know more about the JEE Main important topics and prepare for the exam accordingly. Here you go!
JEE Main Important Topics
First of all, let’s have a look on the exam pattern for JEE Main 2019. The exam will be conducted in both online and offline mode and will have 90 questions of 360 marks spread over three sections Physics, Chemistry, Mathematics. All the sections will have 30 questions each and will be of 120 marks each. So, let us divide the important topics into the same three sections i.e. Physics, Chemistry and Mathematics.
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JEE Main Important Topics for Physics
The Physics section contains around 21 chapters and some of the most important chapters are
 Oscillations And Waves
 Rotational Motion
 Electrostatics
 Atoms And Nuclei
 Current Electricity
 Laws of Motion
 Magnetic effect of Current and Magnetism
The Oscillations and Waves chapter covers the maximum percentage of questions in the exam, which is around 10%. Other than these topics, we have seen questions from the topics like Electrodynamics, Modern Physics, Optics, etc. in the previous exams. So a student should first start with these topics as these topics have been frequently asked in the previous year papers. After completing these topics, you can pick the easiest topics like Unit and Dimensions, Measurement of errors and vectors. All you have to do is to understand the concepts of each topic.

JEE Main Important Topics for Chemistry
The Chemistry section contains around 30 chapters. As the numbers of chapters in Chemistry are more, you should intelligently divide your chapters. The most important chapters are
 Organic Compounds Containing Oxygen
 Equilibrium
 Chemical Kinetics
 Transition Elements (d and f block)
 sblock Elements
 Chemical Bonding And Molecular Structure
 Some Basic Principles Of Organic Chemistry
 pblock Elements
 Coordination Compounds
 Chemical Thermodynamics
The Organic Compounds Containing Oxygen chapter covers the maximum percentage of questions in the JEE Main exam. All the abovementioned topics are the most important topics, which will be definitely asked in the examination. After completing these chapters, you should move towards some important chapters – Organic Compounds Containing Nitrogen, Redox Reactions, Biomolecules, Electrochemistry, Atomic Structure, Polymers, Solid State, Some Basic Concepts in Chemistry and Classification of Elements and Periodicity in Properties. After completing these chapters, you can head towards the simpler chapters like Hydrogen, States of Matter, Hydrocarbons, Surface Chemistry, etc.

JEE Main Important Topics for Mathematics
The Mathematics section contains around 25 chapters. This can be the most scoring section but it requires more and more practice. The most important chapters are
 Integrals
 Probability
 Three Dimensional Geometry
 Trigonometry
 Vector Algebra
 Conic Sections
 Straight Lines
 Sets, Relations and Functions
 Matrices And Determinants
After completing these most important chapters, you should move towards the important chapters Limits and Continuity, Quadratic Equations, Derivatives, Permutation and Combination, Complex Numbers, Circles, Binomial Theorem, Sequences and Series and Differential Equations.
After completing the abovementioned topics, you can give your time to the simpler and less important chapters like Inverse Trigonometry, Heights and Distances, Application of Derivatives and Statistics.
These were the important topics for JEE Main 2019; all the students should make a proper subject wise plan to crack the JEE Main exam. Follow the sequence provided here and do a lot of practice, you will definitely succeed in your exam.
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Here we are describing topics with their difficulty level for each subject which are as follow:
1. Physics
Basic concepts contain 1 mark each
 Units and Dimensions
 Measurement of Errors
 Vectors
Fundamental concepts which contain 2 marks each
 Kinematics
 Newton’s Laws of Motion
 Friction
Easy topics which can help you to score good marks in JEE Main 2019
 Work, Energy and Power
 Electrostatics
 Current Electricity
 Wave Optics
 Ray Optics
Absolutely important questions which contain 23 marks each
 Centre of Mass, Momentum and Collision
 Rotational Dynamics
 Simple Harmonic Motion
 Fluid Mechanics
 Wave Motion and String Waves
 Magnetism
 Heat & Thermodynamics
 Nuclear Physics
 Modern Physics
2. Chemistry
Topics contain 12 marks (Fundamental section)
 IUPAC Nomenclature
 Periodic Table
 Chemical Bonding
Topics contain easy & important questions (Scoring Section)
 Mole Concept
 Coordination Chemistry
 Alcohol, Phenols and Ethers
 pBlock element
Topics contains 23 questions & important
 Atomic Structure
 Gaseous State
 Hydrocarbons
 Aldehydes and Ketones
 d & f Block Elements
 General Organic Chemistry
Topics where you need to go through once while preparing
 Chemical Equilibrium
 Ionic Equilibrium
 Thermodynamics
 Hydrogen and its Compounds
 sBlock Elements
 Isomerism of Organic Compounds
 Environmental Chemistry
 Solid State
 Chemical Kinetics
 Electrochemistry
 Solutions
 Qualitative Salt Analysis
 Alkyl Halides and Aryl Halides
 Carboxylic Acids and their derivatives
 Amines
 Biomolecules
 Polymers
 Metallurgy
 Surface Chemistry
 Chemistry in Everyday Life
Topics which previously asked in JEE Main/Advanced
 Transition Element and Coordination Chemistry
 Periodic Table and Representative Elements
 Gaseous State
 Atomic structure
 Amines
 Solution and Colligative Properties
 General Organic Chemistry
 Carboxylic Acids and Derivatives
 Hydrocarbons
 Carbohydrate, Amino Acids and Polymer
3. Mathematics
Topics contain 12 marks (Fundamental section)
 Inverse Trigonometric Functions
 Circles and Family of Circles
 Sequence and Series
Topics contain easy and important
 Applications of Derivative
 Limit and Continuity
 Matrices and Determinants
 Straight Lines and Pair of Straight Lines
If you are in practice and attempting 4 to 6 question from each section you will become the master of Mathematics.
Topics contain 23 questions are also very important
 3D Geometry
 Probability and Statistics
 Vector Algebra
 Integration
 Complex Numbers
 Parabola
 Trigonometric Ratios
Topics where you need to go through once during preparation
 Logarithms
 Quadratic Equations
 Theory of Equations
 Sets, Relations and Functions
 Differentiation
 Permutation and Combination
 Binomial Theorem
 Locus
 Hyperbola
 Ellipse
 Fundamentals of Mathematics
 Solution of Triangle
Topics previously asked in JEE Main/Advanced
 Coordinate Geometry
 Continuity/ Differentiability, Limits
 Complex No., Quadratic Equation
 Integral Calculus
 Sequence and Series
 Trigonometry
All the best!!