Preparing for JEE Mains and JEE Advanced requires a lot of hard work, determination and planning. To put it simply, you need to harness a certain amount of passion to crack the exam in the first attempt itself. With 1.2 million students taking a shot at it, you have to be at your imperial best to make it through. Time management, planning and being smart in your preparations is the key to success. Hence, you need to be clear about the amount of time you need to dedicate to the JEE syllabus of class 11th and 12th respectively, according to their weightage.

The following chapters are very important:

In Chemistry, all chapters are equally important because in most cases, there is at least one question from each chapter. While the Class 11 syllabus gives you a strong base, Class 12 syllabus gives you an in-depth knowledge about the subject.

The following chapters are very important:

### Class 11 syllabus has slightly more weightage in JEE syllabus

From past records, we can say that the class 11 syllabus has slightly more weightage than class 12. There have been years where students who studied the class 11th syllabus more comprehensive had a slight edge over others. 55% of the questions coming from that syllabus. Conversely, there have also been some years when both held the same weightage. Regardless of the that, one thing you need to keep in mind that: You need to be completely thorough with the class 11th syllabus to do well, while also being confident about your knowledge of the syllabus of class 12th as well. While the class 11th is the foundation upon which you build your goals, class 12th gives you the finishing touches. Therefore, both are equally important in terms of knowing the study material.### Changes in the pattern of questions for the exams

With the NTA (National Testing Agency) laying out fresh changes in the pattern of questions, there have been a lot of murmurs about how it may affect the weightage of the JEE syllabus from both classes. The changes brought about by NTA have been proportional to all three subjects – Physics, Chemistry and Mathematics. While the earlier pattern had 30 questions from each subject, adding up to 90 questions (360 marks) in total,**the new pattern has 25 questions from each subject to make it 75 questions**(300 marks) in total. For each subject, out of the 25, 20 will be MCQs and the remaining 5 will be numerical based. It simply implies that the questions now focus on an in-depth knowledge because the number of questions have been decreased, with the allotted time of 3 hours to complete the exam remaining the same.To get a better understanding of how to prioritise the weightage, let us take a look at an in-depth analysis of the topics covered in the 2019 JEE Mains Exam.

### Topic-wise distribution as observed in the 2019 JEE Mains

**Physics**

Class 11 |
No. of Questions |
Class 12 |
No. of Questions |

Units & Dimensions | 1 | Electric Charges & Fields | 1 |

Kinematics | 2 | Electric Potential & Capacitance | 1 |

Laws of Motion | 1 | Moving charges & Magnetism | 1 |

Work, Energy & Power | 2 | Magnetism & Matter | 0 |

Rotational Motion | 1 | Electromagnetic Waves & Communication Systems | 1 |

Gravity | 1 | Current Electricity | 2 |

Mechanics of Solids & Fluids | 2 | Electromagnetic Induction | 1 |

Oscillations | 2 | Alternating Current | 1 |

Waves | 1 | Semiconductors | 1 |

Thermal Properties | 1 | Ray Optics | 1 |

Thermodynamics | 2 | Wave Optics | 1 |

Kinetic Theory of Gas | 1 | Dual Nature of Radiation | 1 |

– | Atoms & Nuclei | 1 | |

Total |
17 |
13 |

**In Physics, class 11th had a 56.7% weightage whereas class 12th had 43.3% weightage.****Chemistry**

Class 11 |
No. of Questions |
Class 12 |
No. of Questions |

Some basic concepts of Chemistry | 1 | The Solid State | 0-1 |

Structure of Atom | 1 | Solutions | 1 |

Classification of Elements and Periodicity in Properties | 1 | Electrochemistry | 1 |

Chemical Bonding and Molecular Structure | 1 | Chemical Kinetics | 1 |

States of Matter (Gases and Liquids) | 0-1 | Surface Chemistry | 1 |

Thermodynamics | 1 | General Principles & Processes of Isolation | 1 |

Equilibrium | 1 | The p-block elements | 1 |

Redox reactions | 1 | The d- and f-block elements | 1 |

Hydrogen | 1 | Coordination Compounds | 1 |

The s-block Elements | 1 | Haloalkanes and Haloarenes | 1 |

The p-block Elements | 1 | Alcohols, Phenols and Ethers | 1 |

Organic Chemistry – Basic Principles and Techniques | 1 | Aldehydes, Ketones, Carboxylic Acids | 1 |

Hydrocarbons | 1 | Amines | 1 |

Environmental Chemistry | 1 | Biomolecules | 1 |

– | Polymers | 1 | |

– | Chemistry in Everyday Life | 1 | |

Total |
15-16 |
14-15 |

**Chemistry had an equal weightage of questions from both Class 11 and Class 12.****Mathematics**

Class 11 |
No. of Questions |
Class 12 |
No. of Questions |

Sets | 1 | Relations & Functions | 0 |

Trigonometric Identities | 1 | Inverse Trigonometry | 0 |

Solutions of Triangles & Heights & Distances | 1 | Matrices & Determinants | 3 |

Complex Numbers and Quadratic Equations | 2 | Continuity & Differentiability | 1 |

Permutation & Combinations | 1 | Applications of Derivatives | 1 |

Progression of Series and Binomial Theorem | 2 | Integration | 1 |

Straight lines | 1 | Application of Integrals | 1 |

Circles | 1 | Differential Equations | 1 |

Conic Section | 2 | 3D Geometry | 2 |

Limits & Differentiation | 1 | Vectors | 2 |

Mathematical Reasoning & Induction | 1 | Probability | 1 |

Statistics | 2 | – | – |

Probability | 1 | – | – |

Total |
17 |
13 |

**Mathematics too followed the suite of Physics by giving 56.7% of weightage to Class 11.**### Important chapters in JEE syllabus that you cannot miss!

**Physics**

The following chapters are very important:
- Class 11 – Waves, Simple Harmonic Motion, Rotational Motion, Newton’s Law of Motion and Units of Dimensions.
- Class 12 – Electrostatics, Magnetism, Current Electricity, Optics and Modern Physics.

**Chemistry**

In Chemistry, all chapters are equally important because in most cases, there is at least one question from each chapter. While the Class 11 syllabus gives you a strong base, Class 12 syllabus gives you an in-depth knowledge about the subject.
**Mathematics**

The following chapters are very important:
- Class 11 – Coordinate Geometry, Permutations & Combinations, Probability, Complex Numbers, Progressions and Binomial Theorem.
- Class 12 – Matrices, Calculus, Vectors and 3D Geometry.

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