What are the most Important Topics for JEE Main Exam

What are the most Important Topics for JEE Main Exam

most Important Topics for JEE Main Exam

If you are looking for JEE Main preparation tips, you should focus on important topics for JEE Main. The thing to remember here is that preparing for the vast topics in all three subjects of the test cannot be stated as less than a smooth task.

To complete the entire syllabus, you should focus towards making smart preparation. Successful candidates are of the opinion that you should pay attention to topics that are tough for you. Also, you can increase the probability of scoring well in this test by focusing on the important topics in the physics, chemistry, and mathematics subjects if you are planning for B. Tech/B. E admission.

A Huge Disclaimer:

Even though this content is for sharing important topics for JEE Main that will help you with the preparation of JEE Main, the thing to remember here is that it is a test with 50-50 shot at predictability. This means that even though there are topics with lesser weightage, you are recommended to study them too as you cannot predict the type of questions that will be asked.

There are chances that questions might be asked from the least expected sections. With these things said, let us now get into the important topics. Here is the list of important topics to cover under these three subjects as you are looking for useful JEE Main preparation tips so that you can focus on these topics to score more in JEE Main:

Important Chapters in Physics for JEE Main:

As you know, the physics portion of JEE Main has 20 chapters. However, there are the chapters on which you can provide better focus as they are considered important:

  • Units and dimensions – 2% weightage
  • Measurement and errors – 2% weightage
  • Vectors
  • Kinematics – 1% weightage
  • Newton’s law of motion – 4% weightage
  • Friction

Here is the list of absolutely important chapters along with their weightage to score good marks in physics:

  • Modern Physics – 5%
  • Nuclear Physics – 5%
  • Heat & Thermodynamics – 6%
  • Magnetism – 6%
  • Wave motion and string waves – 5%
  • Fluid mechanics – 2%
  • Simple harmonic motion – 5%
  • Rotational dynamics – 4%
  • Centre of mass, momentum and collision – 5%

Average number of questions asked in JEE Main physics paper based on different topics:

  • Simple harmonic motion – 2 questions
  • Waves – 2 Questions
  • Law of motion – 2 questions
  • Heat and thermodynamics – 2
  • Optics – 3
  • Electrostatics – 4
  • Current electricity – 8


As far as mathematics is concerned, as you are looking for JEE main preparation tips, you are can consider the following chapters as important based on their weightage:

  • Trigonometric Ratios  – Weightage 3%
  • Parabola  – 3%
  • Complex Numbers  – 5%
  • Integration  – 8% (Definite + Indefinite integration)
  • Vector Algebra  – 5%
  • Probability and Statistics – 7%.
  • 3-D Geometry  – 5%

Important topics based on average number of questions asked:

  • Trigonometry – 2 Questions
  • Sequence and Series – 2
  • Integral Calculus – 3
  • Complex No., Quadratic Equation – 3 Questions each
  • Continuity/ Differentiability, Limits – 3
  • Coordinate Geometry – 7


As far as important chapters for JEE Main in chemistry is concerned, here is the list of topics with higher weightage:

  • General Organic Chemistry – Weightage: 7%
  • D & F Block Elements – 5%
  • Aldehydes and Ketones – 5%
  • Hydrocarbons –  2%
  • Gaseous State – 3%
  • Atomic Structure – 5%

Here is the list of chapters based on the average number of questions asked under each chapter:

  • Carbohydrate, Amino Acids and Polymer – 1 question
  • Hydrocarbons – 1
  • Carboxylic Acids and Derivatives – 1
  • General Organic Chemistry – 2
  • Solution and Colligative Properties – 2
  • Amines – 2
  • Atomic structure – 2
  • Gaseous State – 2
  • Periodic Table and Representative Elements – 3
  • Transition Element and Coordination Chemistry – 3 questions

With these JEE main preparation tips with respect to the important topics, you can prepare, but do not dare to leave any chapters. The reason as mentioned earlier is that there are chances that the question paper might have questions from least important topics as well.

Related Articles:

JEE Main Preparation Tips From Most Recent 3 Year Toppers
All About JEE Main 2017
Exam Pattern of JEE Main 2017

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0 # Tushar 2017-09-14
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0 # Pallavi 2017-09-15
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Most NCTE recognized institutions from across the country require that applicants must have completed at least 18 years of age in the year of admission, some b.ed colleges in Kachchh are MD BEd College of Education
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0 # Himmat Older than three months
Hello, I am from Kendujhar, want to get admission in BITS pilani, My rank in JEE is 40,000, please suggest me that i am eligible to get admission in BITS or not.
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0 # Vaibhav Older than three months
Hii, plz suggest me What higher studies options are available after completion of MBBS in Etawah?
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0 # Mukesh Older than three months
On completion of MBBS, for being specialised in a specific field, candidate will have to take up MD or MS course in Etawah with appropriate specialization.
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