Atoms and Nuclei Weightage in JEE Mains 2025

Updated On: November 25, 2024 03:58 PM | JEE Main

Atoms and Nuclei chapter is an important part of the Physics Syllabus because of its high weightage in the JEE Main exam. The expected Atoms and Nuclei Weightage in JEE Mains 2025 is 6.50%

Table of Contents

Expected Atoms and Nuclei Weightage in JEE Main 2025
Weightage of Atoms and Nuclei in the Last Five Years …
Best Books To Prepare for Atoms & Nuclei Chapter
Preparation-Strategy to Study the Atoms & Nuclei Chapter in Physics
Faqs

Atoms and Nuclei Weightage in JEE Mains 2025 is expected to be 6.50% as per recent year's trends. Students who planning to appear for the JEE Mains 2025 exam must note that around 2 questions will be asked on this topic through which one can score 8 marks. Some of the important topics in this chapter are Rutherford’s Model of the Atom, the Bohr Model, Nuclear Fission, and Mass-Energy Relations etc. Mastering Atoms and Nuclei topics helps candidates secure good score in the JEE Main 2025 exam . We have provided detailed information on Atoms and Nuclei weightage in JEE Mains 2025 along with the important topics.

Also Read: JEE Main Previous Year Question Paper

Expected Atoms and Nuclei Weightage in JEE Main 2025

Check the expected weightage for the Atoms and Nuclei Weightage in JEE Main 2025 chapter here in the table.

Chapter from physics	Weightage	Number of questions	Total Marks	Topics in the chapter
Atoms & Nuclei	6.50%	2	8	Alpha particle scattering experiment Rutherford model of atoms/Bohr model Energy levels Hydrogen spectrum Size & composition of the nucleus Atomic masses/isotopes/isobars/isotones Radioactivity Alpha, beta, gamma rays and particles & their properties Radioactive decay law Relation of mass and energy Mass defect Binding energy per nucleon (its variation with mass number) Nuclear fusion and fission

Download: JEE Main Physics Syllabus PDF

Weightage of Atoms and Nuclei in the Last Five Years in JEE Mains

Students can check the weightage of Atoms and Nuclei for the last five years.

Year	Number of Questions Asked
2024	2
2023	2
2022	2
2021	2
2018	2

Best Books To Prepare for Atoms & Nuclei Chapter

Here are the best books that can help the students prepare this chapter and the syllabus for physics.

Understanding physics by Freedman and Young
Problems and solutions of physics by Shashi Bhushan Tiwari
Fundamentals of Physics by Halliday, Resnick & Walker
Concepts of Physics (Vol. 1 and 2) by H.C. Verma
Class 11 and 12 Textbooks by NCERT

Preparation-Strategy to Study the Atoms & Nuclei Chapter in Physics

Here is a preparation strategy for the applicants to study the chapter on atoms and nuclei from the physics syllabus.

Preparation Strategy for Atoms & Nuclei
Day	Topics	Tasks
Day 1	Alpha particle scattering experiment Rutherford model of atoms/Bohr model Energy levels Hydrogen spectrum	Read all the major concepts of these topics, and practice numerical if any.
Day 2	Size & composition of the nucleus Atomic masses/isotopes/isobars/isotones Radioactivity Alpha, beta, gamma rays and particles & their properties	Revise the previous topics and prepare these. Radioactivity is a simple concept; applicants can cover it quickly.
Day 3	Radioactive decay law Relation of mass and energy Mass defect Binding energy per nucleon (its variation with mass number) Nuclear fusion and fission	Cover the remaining radioactive concepts and then move on to mass-energy relations and nuclear fusion and fission. These are important topics in this chapter.
Day 4	Practice last year's important questions from this chapter	Look for the sample questions and PYQs for the atoms & Nuclei chapter with solutions. Track the performance by practising this paper.

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We hope this article on Atoms and Nuclei Weightage in JEE Mains 2025 helped enrich the required knowledge to ace the exam. Stay tuned to Collegedekho for the latest updates on JEE Mains 2025.

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FAQs

Is NTA not conducting JEE Maisn 2025?

The JEE Mains 2025 exam will be conducted by the National Testing Agency (NTA) in 2 sessions: January and April 2025.

When to fill out the JEE Mains form 2025?

The expected date for the application form filling is November 1, 2024. Applicants should keep checking the official website for exact dates.

Which class 12 chapter has more weightage in the exam?

There are many chapters that have high weightage in the JEE Main; chapters like modern physics, optics, and mechanics are some important chapters from the physics syllabus.

Will JEE 2025 be difficult?

Yes, analyzing the trends from the past year, the difficulty level of the exam is high. Mathematics will be comparatively more difficult than physics and chemistry.

What is the expected cutoff for JEE 2025?

The expected cutoff for JEE Mains is 90-92 percentile for general category, 76-77 percentile for EWS, 72-74 percentile for OBC, and so on.

Is the JEE Main syllabus reduced for 2025?

Yes, there are some changes in the JEE Main 2025 syllabus; the final changes will be revealed after the syllabus is released by NTA.

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I missed the deadline for LPUNEST. Can I still apply? Please help.

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JASPREET, Student / Alumni

LPU has a well-equipped library system with 11 branches, including a large central library. It offers a vast collection of books, e-books, journals and magazines. Reading rooms are available with library, providing a conducive environment for study and research. The library also offers digital resources and online access to various database, making it a valuable asset for student.