Hello Aspirant,

See if we consider the weightage of the topics mentioned by you in the question then Optics have more weightage as compare to that of EMI and AC. From EMI and AC section you can expect for around 8 marks because generally one but in rare cases two question are asked from this topic but Optics is scoring topic specially for Physics section having weightage of around 20 marks. However I am enlisting down the important chapters having more weightage in JEE-Main for your reference :-

@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

@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
• Vector Algebra - 8 marks

If you are preparing for JEE-Main 2021 then you can also check out JEE-Main Learning package for your preparation

https://learn.careers360.com/jee-main-coaching/?icn=JEE_Main_knockout&ici=JEE_Main_article_view_sticky

For complete JEE-Main 2021 syllabus kindly check out the link given below :-

JEE Main 2021 Syllabus with Weightage: Free Download PDFs

I hope this information helps you.

Good Luck!!

Hii!
Although all the chapters of class 11th and 12th in physics, chemistry and mathematics are important for jee mains examination, there are some which have more weightage in the exam than others. As per you question, optics is important and current electricity too. Electromagnetic induction and ac have less weightage comparatively. The link given below will help you with information.

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

Hope this helps.
Good luck!

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