Hello, for B tech Jee mains exam ,   PCM subjects carry equal weightage that is 100 marks for each subject

For details about Jee mains exam syllabus and each subject chapter weightage refer to this link

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

All the best.
Hope this will help you.

Hello Aspirant,

The following are the JEE Main Exam Syllabus 2020. The Syllabus comprises of Maths, Physics, and Chemistry.

Mathematics Syllabus

• Complex Numbers and Quadratic Equations
• Matrices and Determinants
• Sets, Relations, and functions
• Mathematical Induction
• Permutation and Combinations
• Mathematical Reasoning
• Limit, Continuity, and Differentiability
• Integral Calculus
• Three-Dimensional Geometry
• Differential Equations
• Binomial Theorem and its simple applications
• Vector Algebra
• Statistics and Probability
• Trigonometry
• Coordinate Geometry

Physics Syllabus

• Physics and Measurement
• Rotational Motion
• Thermodynamics
• Kinematics
• Work, Energy, and Power
• Electronic Devices
• Gravitation
• Oscillations and Waves
• Laws of Motion
• Optics
• Atoms and Nuclei
• Kinetic Theory of Gases
• Current Electricity
• Communication Systems
• Dual Nature of Matter, and Radiation

Chemistry Syllabus

Physical Chemistry Syllabus

• Some basic concepts in chemistry
• States of Matter
• Atomic Structure
• Chemical Bonding and Molecular Structure
• Chemical Thermodynamics
• Solutions
• Equilibrium
• Redox Reactions and Electrochemistry
• Chemical Kinetics
• Surface Chemistry

Organic Chemistry Syllabus

• Purification, and Characterisation of organic compounds
• Hydrocarbons
• Chemistry in Everyday Life
• Principles related to practical chemistry
• Organic Compounds containing Halogen
• Organic Compounds containing Oxygen
• Organic Compounds containing Nitrogen
• Polymers
• Some basic principles of organic chemistry
• Biomolecules

Inorganic Chemistry Syllabus

• Classification of Elements and Periodicity in properties
• Hydrogen
• Block Elements (alkali, and alkaline earth metals)
• P-Block Elements (Group 13 to Group 18) elements
• D and F Block Elements
• Coordination Compounds
• Environmental Chemistry
• General Principles and Processes of Isolation of Metals

This is the syllabus of JEE Mains and for Weightage you can refer the article the link I have provided below in which each and every detailed chapter and weight-age is given.

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

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