Hi student,

Here I am listing out topics with the highest weightage in JEE Main 2020:-

@Physics

• Modern Physics - 20 marks
• Heat and Thermodynamics - 12 marks
• Optics - 12 marks
• Current Electricity - 12 marks
• Electrostatics - 12 marks
• Magnetics - 8 marks

@Chemistry

• Transition Elements and Coordination Chemistry - 12 marks
• Periodic table and Representative Elements - 12 marks
• Thermodynamics And Gaseous State - 8 marks
• Atomic Structure - 8 marks
• Chemical Bonding - 8 marks
• Chemical And Ionic Equilibrium - 8 marks
• Solid State And Surface Chemistry - 8 marks
• Nuclear Chemistry And Environment - 8 marks

@Mathematics

• Coordinate Geometry - 20 marks
• Limits, Continuity and Differentiability - 12 marks
• Integral Calculus - 12 marks
• Complex numbers and Quadratic Equation - 8 marks
• Matrices and Determinants - 8 marks
• Statistics and Probability - 8 marks
• Three Dimensional Geometry - 8 marks
• Vector Algebra - 8 marks

You may refer to this article for more information about JEE Main Syllabus with Weightage.

I hope this information helps you.

Good Luck!