Jee mains Important and Easy Chapters , Topics By Adarsh barnwal

Jee Mains 2023 Most Important Topics, Easy Chapters & Weightage

Jee Mains Jee Mains 2023
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When it comes to exams like JEE Main, students are always looking for strategies to improve their scores and gain admission to top engineering schools. One of the most common queries students have during test preparation is concerning crucial topics and chapters for JEE Main 2023. To help students, we’ve compiled a list of ‘JEE Main 2023 Important Chapters & Topics’ for Physics, Chemistry, and Mathematics. Students are encouraged to focus on key chapters and complete the JEE Main 2023 curriculum.

Important chapters for JEE Main 2023 preparation provided here are recommended by subject and coaching experts. Students preparing for the exam should give special emphasis to these chapters to score good marks. Candidates are also provided herewith subject-wise weightage of JEE Main chapters and topics and expert tips and tricks for subject-wise preparation.

Chemistry is the most scoring subject with the average score being more than 35 marks; Mathematics on the other hand is the most difficult to score off averaging a little over 25.

Note: There is no standard weighting for all topics in Physics, Chemistry, and Mathematics for JEE Main . Since the weighting for each topic varies, it is essential that candidates prepare each topic thoroughly regardless of their weightage.

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Important Topics for JEE Main 2023 in Physics

Firstly, let’s talk about the important topics for JEE Main in Physics frequently asked in JEE Main. These topics have been carrying a consistent weightage as per the JEE Main previous year papers.

JEE Mains Chapter wise weightage for Physics

S.NoUnitNo. of QuestionsTotal marksWeightage
1.Modern Physics52016.67%
2.Heat and Thermodynamics31210%
3.Optics31210%
4.Current Electricity31210%
5.Electrostatics31210%
6.Magnetics286.67%
7.Unit, Dimension and Vector143.33%
8.Kinematics143.33%
9.Laws of motion143.33%
10.Work, Power and Energy143.33%
11.Centre Of Mass, Impulse and Momentum143.33%
12.Rotation143.33%
13.Gravitation143.33%
14.Simple Harmonic Motion143.33%
15.Solids and Fluids143.33%
16.Waves143.33%
17.Electromagnetic Induction; AC143.33%

We have divided the important topics into easy scoring topics and difficult topics.

  • Semiconductor – 4 marks
  • Communication system – 4 marks
  • Current electricity- 4/8 marks
  • EMI + Magnetism- 4/8 marks
  • Nuclear Phy- 4 marks
  • Optics – 8 marks
  • Error & Measurement – 4 marks
  • Electromagnetic Waves- 4 marks
  • Waves – 4 marks
  • Electrostats and Gravitation – 8 marks

Easy Topics in JEE Main Physics

  • Electrostatics is a very lengthy but is a easy topic. Mostly three to four questions are asked from this topic every year.
  • Current Electricity is a small topic but is very scoring. Questions from the topic like colour code of resisters, Ohm’s Law, etc. are frequently asked in the JEE Main exam.
  • Electro-magnetic Induction and Alternating Current is also easy topic and is an important topic for JEE Main. One to two questions are asked from these two topics each year.
  • Semiconductor & Electronic Devices, Communication, Units & Dimensions, Measurement of error (Absolute and Relative), Instruments. These are very small and scoring topics. One question is usually asked from each of these topics in JEE Main. So, you should not skip these as they can easily score 16-20 marks.

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Difficult Topics as per JEE Main Physics Syllabus

The topics given below are also important topics of JEE Main 2023 in Physics, but require dedicated focus and more time.

  • Mechanicsis the most important topic for JEE Main. Most of the questions asked in JEE Main demand conceptual understanding of the chapters of Mechanics. Some of the important topics in mechanics for JEE Main are:
    • Newton’s Law of Motion
    • Bernoulli’s theorem
    • Elasticity
    • Equation of Continuity
    • Kinematics
    • Fluid Mechanics
    • Work, Energy and Power
    • Rigid Body Dynamics
    • Gravitation
    • Law of conservation of momentum (linear/angular)
  • Magnetism is a very important topic for JEE Main. Usually, a good number of questions are asked from this topic in JEE Main.
  • Optics is also a very important topic for JEE Main. You should be thorough in this topic.
  • Modern Physicsis the most important topic for JEE Main in Physics. This chapter typically has a questions of 12-16 marks in JEE Main. Most frequently asked topics are as below:
    • X-ray (Continuous wavelength, Characteristic Wavelength)
    • Atomic Structure (Spectrum/Radius)
    • Radioactivity
    • Dual Nature of Matter
    • Photoelectric Effect
    • Nuclear fission
  • You must study Oscillation and Waves topic in detail. Questions related to topics like SHM, sound waves, string, Doppler effect, Wave Optics are surely asked in JEE Main each year.
  • 1-2 questions are asked every year from Thermodynamics, so you should be thorough with it as well.

Chemistry EASY AND IMPORTANT CHAPTERS ( JEE MAINS 2023 )

Chemistry is the most scoring subject with the average score being more than 35 marks; Mathematics on the other hand is the most difficult to score off averaging a little over 25.

JEE Mains chapter wise weightage for Chemistry

S.NoUnitNo. of QuestionsTotal marksWeightage
1.Transition Elements and Coordination Chemistry31210%
2.Periodic table and Representative Elements31210%
3.Thermodynamics And Gaseous State286.67%
4.Atomic Structure286.67%
5.Chemical Bonding286.67%
6.Chemical And Ionic Equilibrium286.67%
7.Solid-State And Surface Chemistry286.67%
8.Nuclear Chemistry And Environment286.67%
9.Mole Concept143.33%
10.Redox Reaction143.33%
11.Electrochemistry143.33%
12.Chemical Kinetics143.33%
13.Solution and Colligative Properties143.33%
14.General Organic Chemistry143.33%
15.Stereochemistry143.33%
16.Hydrocarbon143.33%
17.Alkyl Halides143.33%
18.Carboxylic Acid and their Derivatives143.33%
19.Carbohydrates, amino acid, and Polymers143.33%
20.Aromatic Compounds143.33%
  1. Mole concept- 4 marks
  2. Solid state – 4 marks
  3. Solution – 4 marks
  4. Biomolecules- 4 marks
  5. Polymer- 4 marks
  6. Atomic structure- 4 marks
  7. Chemical Bonding- 4/8 marks
  8. Chemical kinetics- 4 marks
  9. Thermodynamics and Thermochemistry- 8 marks
  10. Surface chemistry + Metallurgy + real Gas + Chem in Every day – 12 marks

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Important topics for JEE Main Organic Chemistry

The pattern of questions asked in Organic Chemistry in JEE Main is not fixed. Questions can be asked at random and therefore, all are important topics for JEE Main 2023. You should prepare the basic and general topics of organic chemistry in detail. These topics include nomenclature, types of reactions, basicity, acidity, etc.

You should be thorough with the named reactions and their mechanism. Questions based on named reactions and mechanism are commonly asked in JEE Main . You should also prepare steps of common chemical reactions. On average, 2-3 questions from the topic – organic synthesis are asked in the exam.

Important topics for JEE Main Inorganic Chemistry

All the topics in Inorganic Chemistry are considered important for JEE Main 2023. All the chapters carry equal weightage in JEE Main. Your basics and the fundamentals should be clear in each and every topic. Inorganic chemistry can help boost your score if you prepare Method of Preparation, Chemical Reactions, uses, etc. of the compounds.

The Elements of the periodic table and Chemical Bonding are the most important topics for JEE Main 2023. These two topics should be on your tips. They are important for building a solid foundation for Inorganic chemistry. Questions asked from Chemical bonding are based on the following topics:

  • Fajan’s Rule & it’s application
  • Shape and Hybridisation
  • Molecular Orbital Theory (where the most important topic is Electronic Configuration)
  • Dipole Moment

Another very important topic for JEE Main in Inorganic Chemistry is Transition elements and coordination chemistry. About three questions are asked from this chapter. Questions are based on topics like Isomerism (Structural, Geometrical, Linkage, Optical Isomerism), Lanthanoid Contraction, Nomenclature and Crystal Field Theory.

Hydrogen and S & P block elements are also among the most important topics for JEE Main. You should be thorough in topics such as structures of various acids like P, S, Cl, N, Nitrogen Oxides, Dimers of Boron and Aluminium, oxides and their acidic-basic structure.

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Important topics for JEE Main Physical Chemistry

The most important topic for JEE Main in Physical Chemistry is Mole concept. Many reactions like Redox Reaction are based on Mole concept. So, this topic should be on your tips as this is the basic connect.

Your formulae and basic concepts should be clear in Atomic Structure. Questions are frequently asked from this chapter in JEE Main. Important topics in this chapter are Quantum Numbers, the Wavelength of Electronic Transition and Ionisation Energy.

Gaseous State and Solid state are also important topics for JEE Main 2023. Your fundamentals should be clear on these topics. Frequently asked questions are from topics like van der Waals equation, Kinetic Theory of Gases and Types of Molecular Velocity.

The other topics that carry equal weightage in JEE Main are below:

  • Solutions
  • Electrochemistry & redox Reactions
  • Chemical Bonding and Molecular Structure
  • Chemical Thermodynamics
  • Equilibrium
  • Surface Chemistry
  • Chemical Kinetics

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Important Topics for JEE Main 2023 in Mathematics

In the Mathematics section of JEE Main, there is an even distribution of marks for all the chapters. There are 15 chapters and all are equally important chapters for JEE Main. So, you can prioritise focusing on particular chapters which are easy and the chapters in which you have a good grip.

JEE Mains Chapter wise weightage for Mathematics

S.NoUnitNo. of QuestionsTotal marksWeightage
1.Coordinate Geometry52016.67%
2.Limits, continuity, and Differentiability31210%
3.Integral Calculus31210%
4.Complex numbers and Quadratic Equation286.67%
5.Matrices and determinants286.67%
6.Statistics and Probability286.67%
7.Three-dimensional geometry286.67%
8.Vector Algebra286.67%
9.Sets, relations, and function143.33%
10.Permutation and Combination143.33%
11.Binomial theorem and its Application143.33%
12.Sequences and Series143.33%
13.Trigonometry143.33%
14.Mathematical Reasoning143.33%
15.Differential Equation143.33%
16.Statistics and Dynamics143.33%
17.Differential Calculus143.33%

Below is a list of scoring chapters and important chapters for JEE Main in Mathematics:

  • Sequence & Series
  • Determinants and Matrices
  • Sets and relations
  • Mathematical Reasoning
  • Statistics & Probability
  • Vector & 3D
  • Straight line
  • Circle
  • Definite Integral
  • Indefinite Integral
  • Application of Derivatives
  • Differential equation
  • Application of Integrals
  • Trigonometric Ratios

MATHS EASY AND IMPORTANT CHAPTERS ( JEE MAINS 2023 )

  1. Statistics- 4 marks
  2. Height and Distance- 4 marks
  3. Mathematical Reasonong- 4marks
  4. Matrices and Determinant- 8 marks
  5. Sets,Relation and function – 8 marks
  6. Vector and 3D– 8 marks
  7. Quadratic equation– 4 Marks
  8. Area – 4 marks
  9. Limit , continuity and derivability–8 marks
  10. Conic section – 12 marks


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