CBSE Class 12 Physics Weightage 2025: Unit and chapter-wise marks distribution
The chapter-wise CBSE Class 12 Physics Weightage 2025 is given here along with the blueprint of the paper. The marks distribution for units is official and for chapters, it is unofficial as per past papers' analysis.
CBSE Class 12 Physics Chapter-Wise Weightage 2025 : CBSE has released CBSE Class 12 Physics Weightage 2025 pdf. According to the weightage released by the officials, 70 marks will appear from the theory segment and 30 from the practical segment. The evaluation scheme for the visually impaired candidates will vary for the practical segments. The unit-wise weightage, chapter-wise weightage for the theory part, and practical weightage for all candidates have been provided below for convenience. Through this, candidates can understand which units and chapters are important from the examination point of view, and prioritise them during preparation. According to our observation, Units V and VI are the most important from the theory, and all the chapters with 6-7 marks weightage in the syllabus must be prepared to get good results in the examination.
CBSE Class 12 Physics Weightage 2025
The following table displays CBSE Class 12 Physics chapter-wise weightage, along with unit-wise weightage for the theoretical segment:
| Units | Chapters Name | Marks |
| Unit 1: Electrostatics | Chapter–1: Electric Charges and Fields | 5 marks |
| Chapter–2: Electrostatic Potential and Capacitance | 5 marks | |
| Unit-II: Current Electricity | Chapter–3: Current Electricity | 6 marks |
| Weightage | 16 marks | |
| Unit-III: Magnetic Effects of Current and Magnetism | Chapter–4: Moving Charges and Magnetism | 6 marks |
| Chapter–5: Magnetism and Matter | 5 marks | |
| Unit-IV: Electromagnetic Induction and Alternating Currents | Chapter–6: Electromagnetic Induction | 4 marks |
| Chapter–7: Alternating Current | 2 marks | |
| Weightage | 17 marks | |
| Unit–V: Electromagnetic Waves | Chapter–8: Electromagnetic Waves | 4 marks |
| Unit–VI: Optics | Chapter–9: Ray Optics and Optical Instruments | 10 marks |
| Chapter–10: Wave Optics | 4 marks | |
| Weightage | 18 marks | |
| Unit–VII: Dual Nature of Radiation and Matter | Chapter 11: Dual Nature of Radiation and Matter | 4 marks |
| Unit–VIII: Atoms and Nucleii | Chapter–12: Atoms | 4 marks |
| Chapter–13: Nuclei | 4 marks | |
| Weightage | 12 marks | |
| Unit–IX: Electronic Devices | Chapter–14: Semiconductor | 7 marks |
| Weightage | 7 marks | |
| Total Weightage | 70 marks | |
CBSE Class 12 Chemistry Practical Weightage 2025
The table below shows CBSE Class 12 Chemistry weightage 2025 for the practical segment:
| Evaluation Scheme | Marks |
| Two experiments one from each section | 14 (7 + 7) marks |
| Practical record [experiments and activities] | 5 marks |
| One activity from any section | 3 marks |
| Investigatory Project | 3 marks |
| Viva on experiments, activities and project | 5 marks |
| Total | 30 marks |
CBSE Class 12 Subject-Wise Weightage 2025 |
Subjects | Link |
| Accountancy | CBSE Class 12 Accountancy Chapter-Wise Weightage 2025 |
| Biology | CBSE Class 12 Biology Chapter-Wise Weightage 2025 |
| Business Studies | CBSE Class 12 Business Studies Weightage 2025 |
| Chemistry | CBSE Class 12 Chemistry Weightage 2025 |
| Computer Science | CBSE Class 12 Computer Science Weightage 2025 |
| Economics | CBSE Class 12 Economics Weightage 2025 |
| English Core | CBSE Class 12 English Core Weightage 2025 |
| Geography | CBSE Class 12 Geography Weightage 2025 |
| Hindi Core | CBSE Class 12 Hindi Core Weightage 2025 |
| History | CBSE Class 12 History Weightage 2025 |
| Mathematics | CBSE Class 12 Mathematics Weightage 2025 |
| Political Science | CBSE Class 12 Political Science Weightage 2025 |
CBSE Class 12 Chemistry Practical Weightage 2025 for Visually Impaired
The CBSE Class 12 Chemistry weightage 2025 for the practical segment for visually impaired students is as follows:
| Evaluation Scheme | Marks |
| Identification/Familiarity with the apparatus | 5 marks |
| Written test (Based on given/prescribed practicals) | 10 marks |
| Practical Records | 5 marks |
| Viva | 10 marks |
| Total | 30 marks |
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