Looking for the official, updated NCERT Books Class 11 Physics textbook? We have verified and linked the exact edition prescribed by CBSE below. For the 2026-27 session, all 14 chapter PDFs across Physics Part I and Physics Part II were verified directly on ncert.nic.in (HTTP 200) on 2026-07-11.
Using a verified PDF matters because outdated copies can contain chapters CBSE has since rationalised away. The links below point to the official source, so you read exactly what the current syllabus demands.
About the Official NCERT Physics Textbook (2026-27)
The CBSE 2026-27 curriculum prescribes two volumes for Class 11 Physics: Physics Part I and Physics Part II. Both are English-medium textbooks published by NCERT.
Part I focuses on mechanics, covering kinematics, dynamics, and gravitation across its seven chapters. Part II covers properties of bulk matter, thermodynamics, kinetic theory, and waves across its seven chapters. The table below lists the verified PDF for every chapter in both volumes.
NCERT Books Class 11 Physics: Chapter-wise PDF Links
| Ch. | Chapter | Pages | Official PDF |
|---|---|---|---|
| 1 | UNITS AND MEASUREMENT | 12 | |
| 2 | MOTION IN A STRAIGHT LINE | 14 | |
| 3 | MOTION IN A PLANE | 22 | |
| 4 | LAWS OF MOTION | 22 | |
| 5 | WORK, ENERGY AND POWER | 21 | |
| 6 | SYSTEMS OF PARTICLES AND ROTATIONAL MOTION | 35 | |
| 7 | GRAVITATION | 17 |
| Ch. | Chapter | Pages | Official PDF |
|---|---|---|---|
| 1 | MECHANICAL PROPERTIES OF SOLIDS | 13 | |
| 2 | MECHANICAL PROPERTIES OF FLUIDS | 22 | |
| 3 | THERMAL PROPERTIES OF MATTER | 24 | |
| 4 | THERMODYNAMICS | 18 | |
| 5 | KINETIC THEORY | 15 | |
| 6 | OSCILLATIONS | 19 | |
| 7 | DISPLACEMENT RELATION IN A PROGRESSIVE WAVE | 22 |
What Chapter-wise PDF Links Contain
Each link opens the exact official chapter PDF. Here is a quick summary of the concepts each chapter covers so you can prioritise your reading.
Physics Part I
- Chapter 1 (Units and Measurement): Covers fundamental units, dimensional analysis, and error calculation.
- Chapter 2 (Motion in a Straight Line): Introduces position-time graphs, average velocity, and uniformly accelerated motion.
- Chapter 3 (Motion in a Plane): Explains vector addition, projectile motion, and relative velocity.
- Chapter 4 (Laws of Motion): Details Newton’s laws, friction, and momentum conservation.
- Chapter 5 (Work, Energy and Power): Discusses the work-energy theorem, kinetic energy, and potential energy.
- Chapter 6 (Systems of Particles and Rotational Motion): Covers centre of mass, torque, and angular momentum.
- Chapter 7 (Gravitation): Explores Kepler’s laws, gravitational potential energy, and satellite motion.
Physics Part II
- Chapter 1 (Mechanical Properties of Solids): Deals with stress and strain, Young’s modulus, and elastic hysteresis.
- Chapter 2 (Mechanical Properties of Fluiduids): Explains pressure, Pascal’s law, Bernoulli’s principle, and viscosity.
- Chapter 3 (Thermal Properties of Matter): Covers thermal expansion, specific heat capacity, and heat transfer.
- Chapter 4 (Thermodynamics): Introduces thermal equilibrium, the first law of thermodynamics, and specific heats.
- Chapter 5 (Kinetic Theory): Discusses behaviour of gases, degrees of freedom, and the law of equipartition of energy.
- Chapter 6 (Oscillations): Explains simple harmonic motion, damping, and resonance.
- Chapter 7 (Displacement Relation in a Progressive Wave): Introduces wave propagation, transverse and longitudinal waves, and the speed of sound.
Official Unit-wise CBSE Marks Distribution
The CBSE 2026-27 theory exam carries 70 marks, with 30 marks reserved for internal assessment. Plan your study time using this official unit-wise breakdown:
| Unit | Topics | Chapters | Marks |
|---|---|---|---|
| I–III | Physical World & Measurement, Kinematics, Laws of Motion | Part I, Ch 1–4 | 23 |
| IV–VI | Work Energy & Power, Motion of System of Particles & Rigid Body, Gravitation | Part I, Ch 5–7 | 17 |
| VII–VIII | Properties of Bulk Matter, Thermodynamics | Part II, Ch 1–4 | 20 |
| IX–X | Behaviour of Perfect Gases & Kinetic Theory, Oscillations & Waves | Part II, Ch 5–7 | 10 |
| Theory Total | 70 | ||
Source: CBSE Curriculum 2026-27.
How to Use the NCERT Physics Book for Board and JEE Prep
Use the table below to sequence your reading. It pairs the verified textbook chapters with our internal Class 11 Physics exercise solution clusters so you can check your working after each chapter.
| What You Should Do | Why It Matters |
|---|---|
| Read the theory in the official PDF before attempting exercises. | NCERT builds concepts in a specific order; skipping the theory leads to blind formula application. |
| Solve every intext and back exercise from the PDF first. | The CBSE board and JEE both lift question patterns directly from these exercises. |
| Allocate extra time to Systems of Particles (35 pages) and Motion in a Plane (22 pages). | These are the highest page-count chapters and carry heavy conceptual weightage. |
| Move to solved examples only after attempting the exercises independently. | This builds problem-solving speed and highlights your weak areas before the exam. |
| Use the Class 11 Science hub to cross-reference formulas across chapters. | Physics units overlap (e.g., energy in Ch 5 links to thermodynamics in Part II); grouped revision saves time. |
You can also explore our broader CBSE notes directory for revision materials across all science subjects.
Prescribed Books Alongside NCERT Physics
CBSE prescribes laboratory manuals for the Class 11 Physics practical component. These run alongside the two theory textbooks and are essential for the 30-mark internal assessment. You can check the full list of prescribed items and the practical syllabus on the official CBSE curriculum page.
Related Resources for Class 11 Physics
For further study, access the official NCERT Physics Part I textbook index directly on ncert.nic.in. This ensures you are always using the unaltered source material. For classroom exam preparation, refer back to our internal notes and solution pages linked above.
Frequently Asked Questions
Where can I download the official NCERT Books Class 11 Physics PDFs?
You can access them directly through the chapter-wise table provided above. Every link points to the exact, verified PDF hosted on ncert.nic.in, ensuring you receive the authentic CBSE-prescribed textbook.
How many chapters are in the Class 11 NCERT Physics textbook for the 2026-27 session?
There are 14 chapters in total. Physics Part I contains 7 chapters focusing on mechanics, and Physics Part II contains 7 chapters covering properties of matter, thermodynamics, and waves.
Which unit carries the highest marks in CBSE Class 11 Physics?
Units I–III (Physical World & Measurement, Kinematics, and Laws of Motion) carry the highest weightage at 23 marks out of the 70-mark theory exam.
Is NCERT Physics Part II harder than Part I?
Part II is often considered conceptually denser because it introduces thermodynamics and wave motion, which require a strong grasp of Part I mechanics. However, pacing your study by page count and marks distribution makes both volumes manageable.
Reference: NCERT Class 11 Physics textbook, official edition on ncert.nic.in.