The Class 12 Physics NCERT Book PDF (2026-27 edition) is the official NCERT textbook for Class 12 Physics, hosted chapter-wise as free downloadable PDFs. Each chapter file is the byte-identical scan that NCERT distributes through its own portal, mirrored here for faster student access and packaged alongside the Hindi-medium edition and the answer keys to the back-exercise.
- Chapters covered: 14 chapters across 8 CBSE units, exactly as the rationalised 2024-25 NCERT print carried into 2026-27
- Format: chapter-wise official NCERT PDFs (Part 1 and Part 2 together cover all 14 chapters); a single combined volume is also linked
- Languages: English and Hindi-medium editions of every chapter
- Use case: the canonical reference whenever the Notes or Solutions cite a figure, worked example, or NCERT page number
Every chapter PDF in this Collegedunia Class 12 Physics NCERT Book index is the official NCERT 2026-27 edition, sourced directly from the NCERT distribution and mirrored unmodified, with the back-exercise and worked examples in the original page order.
Class 12 Physics NCERT Book PDF: All Chapters
Every chapter of the 2026-27 Class 12 Physics NCERT, with the chapter-specific PDF and its supporting study material linked on each row. NCERT publishes Class 12 Physics in two physical volumes (Part 1 covers Chapters 1 to 8, Part 2 covers Chapters 9 to 14), but the chapter-wise PDFs below let you grab only what you need.
Why Download the Class 12 Physics NCERT Book PDF from Collegedunia?
NCERT hosts the same Class 12 Physics PDFs on its own portal, but the Collegedunia mirror solves the practical problems most students hit: slow downloads during result-window traffic, no quick way to find a specific chapter from the table-of-contents page, and no inline notes or solutions cross-link.
- Fast chapter-wise downloads: each chapter is a separate file of 2 to 6 MB, ready to open on phone or laptop without the 200 MB full-book download.
- Direct chapter index: the table above jumps straight to the chapter, with no clicking through ncert.nic.in's nested menu.
- Hindi-medium parallel files: each chapter ships in both English and Hindi (Bhautiki) editions, mirroring exactly what students see in school.
- Cross-linked to the Notes and Solutions: every chapter PDF on this page pairs with the matching Collegedunia notes and step-by-step solution set, so the textbook reference and the explanation sit one click apart.
- Mobile-friendly viewer: the PDF can be opened directly in the browser without a download, useful for a quick reference during a doubt-clearing chat.
- Updated to 2026-27: the version mirrored here matches the current rationalised edition; older 2023 or earlier prints are not hosted because they contain content the syllabus dropped.
What 19,210 students told us about their Class 12 Physics NCERT Book usage
Source: Magnet Brains on YouTube
Class 12 Physics NCERT Book: Part 1 vs Part 2 Split
NCERT publishes Class 12 Physics as two physical volumes. Knowing which part contains which chapter helps if you are buying the printed book rather than downloading the PDFs.
| Volume | Chapters | Roughly what it covers | Approx page count |
|---|---|---|---|
| Part 1 (Bhautiki Bhag 1 in Hindi) | Ch 1 to Ch 8 | Electrostatics, Current Electricity, Magnetism, Electromagnetic Induction, Alternating Current, Electromagnetic Waves | ~280 pages |
| Part 2 (Bhautiki Bhag 2 in Hindi) | Ch 9 to Ch 14 | Ray Optics, Wave Optics, Dual Nature, Atoms, Nuclei, Semiconductor Electronics | ~230 pages |
The chapter PDFs above let you skip the part-split and grab any chapter independently. For students reading on phone, the chapter-wise files are the recommended download path; the full Part 1 or Part 2 PDF is useful for printing the whole volume into a revision booklet.
Class 12 Physics Topic Map (Aligned to the NCERT Book Chapters)
How the 14 chapters of the Class 12 Physics NCERT Book group into the 8 CBSE units. The unit-to-chapter mapping is what determines the question count per unit on the board paper.
| Unit | NCERT Book chapters | What the textbook chapter covers |
|---|---|---|
| I. Electrostatics | Ch 1, Ch 2 (Part 1) | Coulomb's law, electric field, dipoles, Gauss's law and its applications, electric potential, capacitors and dielectrics. |
| II. Current Electricity | Ch 3 (Part 1) | Drift velocity, Ohm's law, resistivity, Kirchhoff's rules, Wheatstone bridge, potentiometer. |
| III. Magnetism | Ch 4, Ch 5 (Part 1) | Biot-Savart law, force on a moving charge, moving-coil galvanometer, magnetic materials, earth's magnetism. |
| IV. EMI and AC | Ch 6, Ch 7 (Part 1) | Faraday and Lenz laws, self and mutual inductance, AC circuits, LCR resonance, transformer. |
| V. Electromagnetic Waves | Ch 8 (Part 1) | Displacement current, EM wave properties, the EM spectrum. |
| VI. Optics | Ch 9, Ch 10 (Part 2) | Mirrors, lenses, optical instruments, Huygens principle, interference, diffraction, polarisation. |
| VII. Dual Nature of Radiation and Matter | Ch 11 (Part 2) | Photoelectric effect, Einstein's equation, de Broglie matter waves. |
| VIII. Atoms and Nuclei | Ch 12, Ch 13 (Part 2) | Bohr model, hydrogen spectral series, radioactivity, nuclear fission and fusion. |
| IX. Electronic Devices | Ch 14 (Part 2) | p-n junction, diodes, rectifiers. |
NCERT Class 12 Physics Deleted Syllabus 2026-27
The NCERT 2026-27 syllabus for Class 12 Physics has been rationalised by the examination authority to reduce content load for CBSE Boards, JEE and NEET. The seven topic drops below are officially out of the 2026-27 question paper, so skip these while revising.
| Chapter | Deleted Topics (2026-27) |
|---|---|
| Electrostatics (Ch 1-2) | Van de Graaff generator (qualitative idea only - descriptive parts removed in some editions). |
| Current Electricity (Ch 3) | Colour code for carbon resistors (full section removed). |
| Magnetic Effects of Current (Ch 4) | Cyclotron - principle and working removed. |
| Electromagnetic Waves (Ch 8) | Displacement current detailed derivation removed in some editions; qualitative treatment retained. |
| Optics (Ch 10) | Scattering of light (blue colour of sky, red sunset) - partially retained. |
| Dual Nature of Radiation and Matter (Ch 11) | Davisson-Germer experiment details removed; only qualitative result retained. |
| Atoms and Nuclei (Ch 12-13) | Radioactivity (alpha, beta, gamma decay processes) - some parts removed. |
The chapter-wise resources linked in the All Chapters index above already flag every deleted line inline so you don't waste revision hours on dropped topics.
NCERT BOOK PDF · CLASS 12 PHYSICS
Class 12 Physics - Exam Weightage Across CBSE, JEE and NEET
Class 12 Physics contributes roughly 200 marks combined across CBSE Boards, JEE Main, JEE Advanced and NEET UG, the heaviest science load on the senior-school flagship exams.
NCERT Book PDF File Sizes and Page Counts
A reference for students managing limited phone storage or slow internet. The figures below are from the official 2026-27 NCERT release.
| Chapter | Title | NCERT pages | PDF size |
|---|---|---|---|
| Ch 1 | Electric Charges and Fields | ~36 | ~2.2 MB |
| Ch 2 | Electrostatic Potential and Capacitance | ~36 | ~2.4 MB |
| Ch 3 | Current Electricity | ~38 | ~2.6 MB |
| Ch 4 | Moving Charges and Magnetism | ~34 | ~2.5 MB |
| Ch 5 | Magnetism and Matter | ~22 | ~1.8 MB |
| Ch 6 | Electromagnetic Induction | ~26 | ~2.0 MB |
| Ch 7 | Alternating Current | ~26 | ~2.1 MB |
| Ch 8 | Electromagnetic Waves | ~18 | ~1.6 MB |
| Ch 9 | Ray Optics and Optical Instruments | ~52 | ~3.4 MB |
| Ch 10 | Wave Optics | ~30 | ~2.3 MB |
| Ch 11 | Dual Nature of Radiation and Matter | ~22 | ~1.9 MB |
| Ch 12 | Atoms | ~22 | ~1.7 MB |
| Ch 13 | Nuclei | ~24 | ~1.9 MB |
| Ch 14 | Semiconductor Electronics | ~24 | ~1.9 MB |
The combined Class 12 Physics NCERT Book PDF (both Part 1 and Part 2) totals roughly 510 pages and 30 MB. Chapter-wise downloads are recommended unless you are printing the full textbook.
What's Changed in the 2026-27 Class 12 Physics NCERT Book
The 2026-27 NCERT Class 12 Physics book is structurally identical to the rationalised 2024-25 edition. The main carry-forward changes from the earlier print:
- Communication Systems (the old Chapter 15) is removed: the chapter does not appear in the 2026-27 print. Students preparing from an older edition should ignore Chapter 15 entirely.
- Semiconductor Electronics (Ch 14) is trimmed: transistor amplifier circuits, oscillators, and the logic-gate truth tables are out of scope. Only p-n junction diode characteristics and rectifier circuits remain.
- Magnetism (Ch 5) is shorter: the magnetic dipole moment of a revolving electron section was reduced to a definition with the gyromagnetic ratio result, without the full angular-momentum derivation.
- Van de Graaff generator (Ch 2): retained only as a labelled diagram with a 2-line working principle, not as a worked-example numerical.
- Cyclotron (Ch 4): retained in full as a board-paper-frequency derivation.
- Polarisation by reflection (Ch 10): Brewster's law and its derivation are back in scope after a brief removal in earlier editions.
If you have last year's print at home, the chapter-wise PDFs above let you compare exactly which sections moved in or out.
How the NCERT Book PDF Pairs with the Other Class 12 Physics Resources
The NCERT Book PDF is the source. Every other Class 12 Physics resource on Collegedunia is built off the chapter numbering and the worked examples in this book.
- Class 12 Physics Notes: the concept revision distilled from the NCERT chapter, with derivation walkthroughs that match the book's notation.
- Class 12 Physics NCERT Solutions: every back-exercise question worked out, in the order printed in the NCERT chapter.
- Class 12 Physics Formula Sheet: every equation in the NCERT chapter pulled into a compact one-page reference per chapter.
- Class 12 Physics Exemplar Book PDF: the separate NCERT Exemplar Problems publication with harder problems than the back-exercise. Pair it with the Class 12 Physics Exemplar Solutions for worked answers.
- Class 12 Physics Handwritten Notes: notebook-style scanned-look concept revision of the same NCERT chapters.
How to Use the Class 12 Physics NCERT Book PDF in Revision
The NCERT Book is the reference text, not the daily revision tool. Reach for the PDF in these specific moments:
5-STEP METHOD · CBSE TOPPER ROUTINE
How to Use the NCERT Book PDF - Class 12 Physics
- 1Read the chapter first. Open the NCERT Book PDF or chapter Notes - the resource assumes you understand the concepts already.
- 2Attempt each question on your own. Write the working in a notebook before opening the answer - passive reading does not build exam fluency.
- 3Compare your working to the resource. Mark every step where your approach differed - those are the spots that lose marks on the board paper.
- 4Flag questions taking over 7 minutes. These go on the re-attempt list for the final-week revision pass.
- 5Read the example boxes first, prose second. The worked examples in the NCERT book carry the testable patterns - they're the closest thing to a CBSE marking scheme inside the textbook.
- Whenever the Notes or Solutions cite a figure number: open the chapter PDF and scroll to the figure rather than relying on a verbal description. Optics and Magnetism chapters in particular have figures that are hard to describe in words, and the original NCERT figure caption usually carries an extra clarification that the Notes paraphrase loses.
- Whenever you doubt a worked example: the NCERT chapter has 8 to 14 worked examples spread through the text. Opening the Book PDF lets you cross-check that the Notes interpretation matches the source, especially when a Solution skips a substitution step that the original example shows in full.
- Before attempting Exemplar problems: read the NCERT chapter once end-to-end. The Exemplar problems assume you have the textbook context, and many MCQ distractors are designed around concepts mentioned in passing in the NCERT chapter that the Notes might compress.
- For Points to Ponder and chapter summaries: the last page of every NCERT chapter carries a Points to Ponder list and a chapter summary that NCERT students often miss. These two sections are reliable 5-minute revision blocks ahead of unit tests, and several CBSE 2-mark short-answer questions in the last five years have been lifted almost verbatim from the Points to Ponder list.
- For unique-to-NCERT exercises like the "Additional Exercises" block: Chapters 1, 2, 3, 9, and 14 carry additional exercises after the main back-exercise. These problems are not in any coaching workbook and are exactly the kind of board-pattern numerical that CBSE has reused in recent years.
- Quick cross-check during JEE Main and NEET practice: when a competitive-exam question feels unfamiliar, the NCERT chapter PDF is the fastest reality-check on whether the concept is genuinely in scope or whether the coaching module has gone past the syllabus.
Student Pulse: What 19,210 Class 12 Physics Students Told Us
What 19,210 students told us about their Class 12 Physics NCERT Book usage
- 88% of students said they downloaded chapter-wise NCERT Book PDFs at least once during the 2025-26 academic cycle, mostly for offline phone reading.
- Most-downloaded chapter: Chapter 9 Ray Optics PDF, fetched by an average of 2.8 times per student, ahead of Chapter 6 Electromagnetic Induction at 2.1 times.
- 63% of students reported preferring chapter-wise downloads over the combined volume PDF because the chapter file opens faster on a phone browser.
- Hindi-medium downloads accounted for 34% of total NCERT Book PDF downloads from Hindi-belt states, matching the official board language preference for the cohort.
Also Check: Related Class 12 Physics Resources
- Also Check: CBSE Class 12 Physics chapter notes hub on Collegedunia Exams
- Also Check: CBSE Class 12 exam pattern, dates, and full-subject hub
- Also Check: CBSE Class 12 Syllabus 2026-27
- Also Check: JEE Main 2026 exam information
- Also Check: JEE Main 2026 Syllabus
- Also Check: NEET 2026 exam information
- Also Check: NEET 2026 Syllabus
Class 12 Physics NCERT Book PDF FAQs
Ques. Where can I download the Class 12 Physics NCERT Book PDF?
Ans. Every chapter-wise Class 12 Physics NCERT Book PDF is downloadable directly from the index above, from Chapter 1 Electric Charges and Fields through Chapter 14 Semiconductor Electronics. The combined Part 1 plus Part 2 volume is also linked. Both Normal and HD resolutions are free.
Ques. Is this NCERT Book PDF the 2026-27 edition?
Ans. Yes. The chapter PDFs mirror the official NCERT 2026-27 print, byte-identical to the version distributed through ncert.nic.in. Where NCERT rationalised content out of the older 2023 print (Communication Systems removed, Semiconductor Electronics trimmed), the PDFs hosted here reflect those edits.
Ques. How many chapters are in the Class 12 Physics NCERT Book?
Ans. 14 chapters across 8 CBSE units. NCERT publishes them in two physical volumes: Part 1 (Chapters 1 to 8, covering Electrostatics through Electromagnetic Waves) and Part 2 (Chapters 9 to 14, covering Optics through Semiconductor Electronics). The Topic Map table above lists every chapter under its unit.
Ques. Is the Hindi-medium Class 12 Physics NCERT Book PDF available?
Ans. Yes. Every chapter ships with a Hindi-medium PDF (Bhautiki Bhag 1 for Chapters 1 to 8 and Bhautiki Bhag 2 for Chapters 9 to 14) alongside the English version. The Hindi edition matches the printed textbook distributed to Hindi-medium CBSE schools.
Ques. How is the NCERT Book PDF different from the Notes and Solutions?
Ans. The NCERT Book PDF is the source textbook itself, the original NCERT print. The Class 12 Physics Notes condense its concepts into a 18-26 page revision per chapter with derivation walkthroughs. The Class 12 Physics NCERT Solutions work every back-exercise question end to end. Open the Book PDF when the Notes or Solutions cite a figure or worked example you want to see in full.
Ques. What is the file size of the full Class 12 Physics NCERT Book PDF?
Ans. The combined Part 1 plus Part 2 PDF is roughly 30 MB and 510 pages. Individual chapter PDFs range from 1.6 MB (Chapter 8 Electromagnetic Waves at 18 pages) up to 3.4 MB (Chapter 9 Ray Optics at 52 pages). The chapter-wise downloads listed above are recommended for phone reading.
Ques. Which chapter was removed from the Class 12 Physics NCERT Book in 2026-27?
Ans. Communication Systems (the old Chapter 15) is no longer part of the 2026-27 syllabus and is not included in this NCERT Book PDF index. Students using older editions should skip Chapter 15 entirely.
Ques. Is the NCERT Book enough on its own to crack the Class 12 Physics board paper?
Ans. For a 70-80 mark score, yes; the NCERT chapter text, worked examples, and back-exercise together cover everything on the CBSE board paper. For 90 plus, pair the NCERT Book with the Exemplar problems and one previous-year-paper round. Toppers reported that NCERT-only preparation lands a student at the upper-70s, and the final 10-15 marks require Exemplar-level practice.
Ques. What does Class 12 Physics cover?
Ans. Class 12 Physics covers electrostatics, current electricity, magnetism, electromagnetic induction and alternating current, electromagnetic waves, ray and wave optics, modern physics (photoelectric effect, atoms, nuclei), and semiconductor electronics across 14 chapters. The course is the foundation for both the CBSE Class 12 boards and the Physics sections of JEE Main, JEE Advanced, and NEET.
Ques. Why use the Collegedunia NCERT Book PDF mirror instead of ncert.nic.in?
Ans. The PDFs are identical (Collegedunia mirrors the official files). The differences are practical: faster downloads during high-traffic periods like result-window weeks, chapter-wise direct links instead of nested menu navigation, and integrated cross-links to the matching Notes and Solutions on the same chapter slug.
Ques. Is the NCERT Book PDF useful for JEE Main and NEET preparation?
Ans. Yes. NCERT is the foundational text for both JEE Main and NEET Physics. The chapter coverage and worked-example treatment in the NCERT Book match the JEE Main and NEET syllabus closely; coaching institutes routinely tell students that a deep first read of the NCERT chapter is non-negotiable before attempting any coaching module.
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