KCET Atoms and Nuclei Topics 2026 are Alpha-Particle Scattering Experiment, Rutherford's Model of Atom, Bohr Model, Energy Levels, Hydrogen Spectrum, De Broglie's Explanation of Bohr's Second Postulate, Composition and Size of Nucleus, Atomic Masses, Isotopes, Isobars, etc.
KCET Atoms and Nuclei Topics 2026 include Alpha-Particle Scattering Experiment, Rutherford's Model of Atom, Bohr Model, Energy Levels, Hydrogen Spectrum, De Broglie's Explanation of Bohr's Second Postulate, Composition and Size of Nucleus, Atomic Masses, Isotopes, Isobars, Isotones, Nuclear Forces, Mass-Energy Relation Mass Defect, Binding Energy per Nucleon and its Variation with Mass Number, Radioactivity(only types of Radioactive decay), etc. The Atoms and Nuclei is an important topic in the KCET 2026 Physics Syllabus . Students planning to take the KCET 2026 exam can expect around 3 questions from this chapter. According to the official schedule, the KCET 2026 exam is scheduled to be held on April 16 and 17, 2026. You can go through KCET 2026 Syllabus and prepare well for the examination.
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KCET 2026 Atoms and Nuclei Topics
Here is the list of topics included in the Atoms and Nuclei chapter of the KCET 2026 Syllabus.
- Alpha-Particle Scattering Experiment
- Rutherford's Model of Atom
- Bohr Model, Energy Levels, Hydrogen Spectrum
- De Broglie's Explanation of Bohr's Second Postulate
- Composition and Size of Nucleus
- Atomic Masses
- Isotopes
- Isobars
- Isotones
- Nuclear Forces
- Mass-Energy Relation Mass Defect
- Binding Energy per Nucleon and its Variation with Mass Number
- Radioactivity(only types of Radioactive decay)
- Nuclear Fission and Fusion.
Important Topics of KCET Atoms and Nuclei 2026
Here are a few important topics that aspirants cannot miss while preparing for their KCET 2026 exam, have a look at them.
- Electron Orbits
- Bohr Model of Hydrogen Atom
- Line spectra of Hydrogen Atom
- Atomic Spectra
Best Books for KCET 2026 Atoms and Nuclei
Here are some of the KCET 2026 Best Books that candidates can refer to while studying the Atoms and Nuclei chapter.
- NCERT Class 12 Textbook
- Fundamentals of Physics by S Chand
- Physics for Karnataka CET and COMEDK
- Pradeep’s Fundamental Physics Classes 11 and 12
KCET 2026 Atoms and Nuclei Chapter: Preparation Tips
Check out the preparation tips that can help the KCET aspirants in preparing the chapter Atoms and Nuclei thoroughly.
- Check out the basic concepts and the important models like Bohr and Rutherford. Make sure you take down the notes of these important concepts for the end revision.
- Make separate notes for the important topics in the chapter and write their formulas side by side for better understanding.
- Prepare this chapter once you have prepared and completed the chapters with high weightage. But this does not mean that you can skip this chapter, just make sure you have covered the important chapters first.
- Make sure to solve the sample papers or mock tests for this chapter. Look at the kind of questions asked in the KCET 2024, 2023, 2022, 2021, question papers from this chapter.
Also Read: How to Prepare for KCET 2026?
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FAQs
The cutoff of KCET refers to the minimum marks required by candidates to qualify for the KCET exam. KEA KCET cutoff is released separately for the general merit and Hyderabad Karnataka region. The exam authority releases the KCET cutoff after each counselling round.
It is not mandatory to attempt the Biology paper in the KCET exam if you want to opt for Engineering. Biology marks are only considered for the Medical, Dental and Paramedical fields. However, if you want to pursue Biotechnology in Engineering, attempting Biology in the KCET exam is compulsory.
50% mark is the passing percentage for the general category candidates and 40% for the SC/ST/OBC category for the KCET exam.
As per the previous year exam analysis, the KCET 2025 exam might be of a moderate to difficult level. KCET questions will be based on the first and second-year PUC syllabus as determined by the Department of Pre-University Education of Karnataka State.
Candidates cannot skip Mathematics in the KCET exam. Mathematics is a mandatory subject in the KCET exam, and skipping it would disqualify candidates from the KCET examination.
Candidates looking to score good marks in the Karnataka CET exam are advised to solve the KCET previous year question papers and mock tests. Solving PYQs of KCET will enable candidates to get an idea about the KCET question paper pattern and the marking scheme.
NCERT best books are a good choice for candidates to start if they want to prepare for the KCET 2025 exam. Upon finishing the NCERT books, candidates can move ahead to the crucial KCET best books. Additionally, the KCET best books are another resource that candidates can use to study for the KCET exam.
The identical chapters and subjects from Classes 11 and 12 are covered by the questions in both KCET and JEE Main exams. However, in comparison to KCET, the questions in the JEE Main exam are more difficult.
In KCET Physics, chapters such as Gravitation, Motion in a Straight Line, Oscillations, and Thermodynamics each contribute approximately 7% to 8% of the exam paper.
Chapters with maximum weightage in KCET Physics are Gravitation, Motion in a Straight Line, Oscillations and Thermodynamics since they carry 7% to 8% weightage. Important chapters for KCET Maths comprise Integration, Vectors, Permutation and Combination, and 3-D Geometry which weigh around 6% to 7% in the KCET exam.
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