NCERT Solutions Class 12 Physics are the primary study material for students aspiring to appear in the Class 12 board examinations and competitive entrance examinations at the college level. These include the JEE Main exam, JEE Advanced exam, NEET examination and others.
These solutions offer chapter-by-chapter, topic-by-topic solved answers that strictly adhere to the newest NCERT exam syllabus as suggested by the Central Board of Secondary Education (CBSE). This means that they are very much consistent with the questions expected to be asked in the board exams.
- The CBSE board exam (70 theory marks) has around 60-70% questions in the NCERT and includes derivational questions and descriptive answers.
- In JEE Main (25-30 Physics questions, 100 marks) and
- NEET (45 Physics questions, 180 marks) puts more emphasis on the applications, numericals, and MCQs (approximately 70-80%).
Also Check:
- NCERT Books Class 12 (Available): Download Free PDF for Class 12 Books Here
- CBSE Class 12 Chapter-Wise Weightage: Check Weightage and Important Topics
| Divide the time into two. Give 40% to board-style theory + 60% to Long answer and entrance-style speed and problem-solving. Areas with high yields, such as Optics (boards: -14 marks, entrances: 5-10%), Current Electricity (boards: -6 marks, entrances: 6-10%), have the best overlap. |
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Read More: NCERT Book for Class 12 Physics Chapter-wise PDFs in Hindi
What You Get in Chapter-Wise NCERT Solutions Class 12 Physics?
- You get step-by-step numerical solutions as per CBSE board standards.
- You get clear derivations with diagrams and formula explanations for theory-based questions.
- You get exercise questions, in-text questions, and additional practice problems solved in simple language.
- You get concept clarity for competitive exams like JEE Main and NEET.
| Chapter No. | Chapter Name | NCERT Solutions |
|---|---|---|
| Chapter 1 | Electric Charges and Fields | Check Solutions |
| Chapter 2 | Electrostatic Potential and Capacitance | Check Solutions |
| Chapter 3 | Current Electricity | Check Solutions |
| Chapter 4 | Moving Charges and Magnetism | Check Solutions |
| Chapter 5 | Magnetism and Matter | Check Solutions |
| Chapter 6 | Electromagnetic Induction | Check Solutions |
| Chapter 7 | Alternating Current | Check Solutions |
| Chapter 8 | Electromagnetic Waves | Check Solutions |
| Chapter 9 | Ray Optics and Optical Instruments | Check Solutions |
| Chapter 10 | Wave Optics | Check Solutions |
| Chapter 11 | Dual Nature of Radiation and Matter | Check Solutions |
| Chapter 12 | Atoms | Check Solutions |
| Chapter 13 | Nuclei | Check Solutions |
| Chapter 14 | Semiconductor Electronics | Check Solutions |
How to Use NCERT Solutions Effectively?
- First, read the NCERT theory carefully.
- Solve examples on your own.
- Then verify using step-by-step solutions.
- Revise formulas before solving numericals.
- Practice sample papers after completing each unit.
Also Check: NCERT Class 12 Physics Formula Sheet: Chapterwise NCERT Physics Formulas
Why are NCERT Solutions Class 12 Physics important?
- Each exercise that is solved is purely based on the current CBSE instructions.
- Nearly 80-85% of CBSE board questions are directly or indirectly based on NCERT examples and exercises.
- Most derivation-based and numerical questions are framed from textbook concepts.
- Internal choice questions often follow the NCERT pattern.
- These solutions follow a step-by-step approach that denotes the marking scheme applied by the board examiners and will teach you how to score all of the 5 marks in a 5-mark Long Answer (LA) problem.
Regular practice of NCERT solutions improves:
- Concept clarity
- Numerical solving speed
- Presentation skills
- Accuracy in derivations
Also Check: CBSE Class 12 Physics Question Paper with Solution (2026-2015): Download PDF
Unit-Wise Weightage in Class 12 Physics (CBSE) for 2026-2027
- The CBSE Class 12 Physics Syllabus (2026-27) includes 14 chapters divided into 9 units, with a total of 184 periods allocated for theory and practicals.
- The theory examination carries 70 marks and includes MCQs, short and long answer questions, and case-based questions, while the practical examination carries 30 marks and includes experiments, viva, and record work.
- Optics carries the highest weightage, followed by Electricity and Magnetism units.
- Preparing solutions chapter-wise will help you in better accuracy and scoring potential.
| Chapter | Title & Links | Key Topics | Board Weightage (Marks out of 70) | JEE Main Weightage (%) | NEET Weightage (%) |
|---|---|---|---|---|---|
| 1 | Electric Charges and Fields | Electric charges, Coulomb’s law, electric field, Gauss’s theorem, forces between charges. | 5 | 3-4% | 3-4% |
| 2 | Electrostatic Potential and Capacitance | Electric potential, equipotential surfaces, capacitors, dielectrics, energy storage. | 5-6 | 4-5% | 4-5% |
| 3 | Current Electricity | Electric current, Ohm’s law, Kirchhoff’s laws, Wheatstone bridge, potentiometer, cells. | 6 | 6-7% | 6-7% |
| 4 | Moving Charges and Magnetism | Magnetic field due to current, Biot-Savart law, Ampere’s law, Lorentz force, cyclotron. | 6 | 4-5% | 4-5% |
| 5 | Magnetism and Matter | Magnetic properties, Earth’s magnetism, hysteresis, magnetic materials. | 4-5 | 2-3% | 3% |
| 6 | Electromagnetic Induction | Faraday’s laws, Lenz’s law, self/mutual inductance, eddy currents. | 4 | 3% | 2-3% |
| 7 | Alternating Current | AC circuits, RMS values, reactance, impedance, transformers. | 5 | 3-4% | 4% |
| 8 | Electromagnetic Waves | Displacement current, EM wave properties, spectrum, Maxwell’s equations. | 3-4 | 2% | 3% |
| 9 | Ray Optics and Optical Instruments | Reflection, refraction, lenses, prisms, optical instruments (microscope, telescope). | 10 | 4-5% | 5-6% |
| 10 | Wave Optics | Huygens’ principle, interference, diffraction, polarization, Young’s double-slit. | 4 | 3-4% | 2-3% |
| 11 | Dual Nature of Radiation and Matter | Photoelectric effect, de Broglie wavelength, Davisson-Germer experiment. | 4 | 4-5% | 4% |
| 12 | Atoms | Bohr’s model, hydrogen spectrum, atomic structure. | 3-4 | 3% | 3% |
| 13 | Nuclei | Nuclear binding energy, radioactivity, fission, fusion. | 4 | 3-4% | 4-5% |
| 14 | Semiconductor Electronics | Semiconductors, diodes, transistors, logic gates, amplifiers. | 5-7 | 4-5% | 5-6% |
CBSE Class 12 Physics Question Pattern and Marks Distribution (2026-27)
Source- Data from CBSE 2025-26 guidelines
Also Read:
- CBSE Class 12 Question Paper 2026 with Solutions (Available)- Download Pdf
- CBSE 12th Exam Analysis 2026: Check Expected Difficulty Level, Subject-wise Weightage, and Question Papers PDF
Strategic Exam Preparation Tips with Data Insights
- Time Management: Based on weightages, spend 30% on Modern Physics (12 board marks, 10-15% entrances).
- Practice Regimen: Solve 50+ numericals per high-weight chapter (e.g., Current Electricity: 20% entrance questions from circuits). Use past 5-year papers, boards repeat 15%, and entrances 25%.
- Common Pitfalls: Avoid rote learning; data shows 30% entrance errors in units/conversions. Balance by revising formulas daily.
- Mock Analysis: Aim for 80% accuracy in high-yield areas; adjust based on weightage data.
Also Read: NCERT Books Class 12 Physics: Download Free PDF and Chapter-Wise solutions
NCERT Solution Class 12 Physics FAQs
Ques. Is NCERT enough for Class 12 Physics board exam?
Ans. Yes, NCERT is more than sufficient for CBSE board preparation. Most questions are directly based on textbook concepts, examples, and exercises.
Ques. Are NCERT Solutions helpful for JEE Main and NEET?
Ans. Yes. While JEE and NEET require additional practice, NCERT builds strong conceptual clarity which is essential for competitive exams.
Ques. Which chapters are most important in Class 12 Physics?
Ans. You should focus more on Optics, Electrostatics, Magnetism, Current Electricity, and EMI as these chapter carry higher weightage in Class 12 Physics.
Ques. How to score 95+ in Class 12 Physics?
Ans. Mostly, you need to focus on NCERT solutions, practice derivations regularly, revise formulas daily, and solve previous year board questions.
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