Class 11 Physics Notes: Chapters-wise NCERT notes PDF, Solved Example, Important Topics, Weightage

NCERT Class 11 Physics 2025

nitesh singh
Updated on Aug 4, 2025 19:19 IST

By nitesh singh, Senior Executive

Shiksha provides complete chapter-wise Class 11 Physics Notes designed for CBSE board exams and competitive exams. Our subject matter experts have curated NCERT Class 11 Physics Notes to provide quality content to the students. Not only class 11 physics, but we also offer NCERT solutions for classes 11 and 12 science subjects.

Our chapter-wise Class 11 Physics NCERT Notes are aligned with the latest CBSE 2025-2026 syllabus. These concise and easy-to-understand NCERT Notes also include NCERT Definitions, Derivations, Formulas, Important Diagrams, and solved questions. Shiksha has covered each chapter in simple language with step-by-step explanations in the CBSE Class 11 Physics notes. 

CBSE Class 11 Notes for Physics are available in PDF format. You can download CBSE Class 11 Physics Notes PDF for last-minute revision and offline study without an internet connection.

The CBSE Class 11 Physics Notes are equally useful for CBSE Board exams and competitive exams such as NEET, JEE Mains, CUET, and NDA. Read the full article below, and access the chapter-wise notes.

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Class 12 Physics Notes

Table of contents
  • Class 11 Physics Chapter-wise Notes
  • Class 11 Chapter-wise NCERT Solutions
  • Topic Covered in Class 11 Physics Chapter-wise Notes
  • Complete Class 11 Study Material
  • Feature for Class 11 Physics Notes
NCERT Class 11 Physics Logo

Topic Covered in Class 11 Physics Chapter-wise Notes

You can read below the important topics covered in the Class 11 Physics chapters. 

Class 11 Units and Measurements Topics

This chapter covers various concepts, including systems of units (SI units), accuracy, precision, percentage errors, and dimensional analysis. Very often, numerical problems related to error analysis and dimensional analysis are asked in the CBSE exams. This chapter is also important for competitive exams like NEET, CUET UG., You can expect questions from dimensional analysis. Check the topics covered in this chapter below;

Section Topics Covered
1.1 Introduction to units and measurements
1.2 The International System of Units: Measurement of Length, Mass, and Time
1.3 Significant Figures 
1.4 Dimensions of Physical Quantities
1.5 Dimensions, Formulae, and Dimensional Equations
1.6 Dimensional Analysis and Its Applications

Class 11 Motion in a Straight Line Topics

This chapter deals with the motion of objects along a straight line, including concepts like position, path length, displacement, speed, velocity, and acceleration. Shiksha also offers a graphical representation of concepts related to Motion. This chapter is high scoring for both CBSE and competitve exams such JEE and NEET. Students must practice complex numerical problems of this chapter to score well. You can use our NCERT Notes and NCERT Solutions for better results. Read the topics in this chapter below;

Section Topics Covered
2.1 Introduction 
2.2 Position, path length and displacement
2.3 Average velocity and average speed
2.4 Instantaneous velocity and speed
2.5 Acceleration
2.6 Kinematic equations for uniformly accelerated motion
2.7 Relative velocity

Class 11 Physics Motion in a Plane Topics

The motion in a plane chapter of class 11 physics explores scalar and vector quantities, and related concepts projectile motion and uniform circular motion. This chapter has a good weightage in all kinds of exams. Usually, Numerical problems related to Vector analysis, projectile motion, and relative motion are asked in the exams. Check out the important topics below;

Section Topics Covered
3.1 Introduction to Motion in a Plane
3.2 Scalars and Vectors
3.3 Multiplication of vectors by real numbers
3.4 Vector addition – graphical method
3.5 Resolution of Vectors
3.6

Vector Addition by Analytical Method

3.7 Motion with constant acceleration
3.8 Relative velocity in two dimensions
3.9 Projectile motion
3.10 Uniform Circular Motion

Topics Covered in Class 11 Laws of Motion

Laws of motion are the foundation builder chapter for the whole of physics. It covers very important concepts Newton's laws of motion, inertia, momentum, impulse, conservation of momentum, and friction. This chapter is very important for developing conceptual understanding and solving numerical problems where forces are involved. You can check the important topics covered in this chapter below;

Section Topics Covered
4.1 Introduction
4.2 Aristotle's Fallacy
4.3 The law of inertia
4.4 Newton's First Law of Motion
4.5 Newton's Second Law of Motion
4.6 Newton’s third law of motion
4.7 Law of Conservation of Momentum
4.8 Equilibrium of a particle
4.9 Common Forces in Mechanics
4.10 Circular Motion
4.11 Solving problems in mechanics

Topics Covered in Work, Energy and Power 

This chapter covers very useful concepts, including work done, kinetic energy, potential energy, work-energy theorem, conservative and non-conservative forces, power, and collisions. In competitive exams, frequently work-energy conversion and collision-based numerical are asked from this chapter. This chapter has a moderate weightage in many competitive exams. You can ace this chapter through out short notes, check the topics covered in this chapter below;

Section Topics Covered
5.1 Introduction to work, energy and power
5.2 Work - Energy Theorem
5.3 Work
5.4 Kinetic Energy
5.5 Work done by a variable force
5.6 Work‑energy theorem for variable force
5.7 Concept of potential energy
5.8 Conservation of Mechanical Energy
5.9 Potential energy of a spring
5.10 Various forms of energy – Law of Conservation of Energy
5.11 Power
5.12 Collision

Class 11 System of Particles and Rotational Motion Topics

This chapter deals with rigid objects and important concepts related to rigid bodies, such as the motion of a system of particles, center of mass, rotational motion of rigid bodies, torque, angular momentum, moment of inertia, and rolling motion. In Class 11 CBSE exams, this chapter is high high-weightage topic, around 8 marks are asked from this chapter. You can understand the topics discussed in this chapter below;

Section Topics Covered
6.1 Introduction to system of particles and rotational motion
6.2 Centre of Mass
6.3 Motion of Centre of Mass
6.4 Linear momentum of a system of particles
6.5 Vector product of two vectors
6.6 Angular velocity & relation with linear velocity
6.7 Torque and Angular Momentum
6.8 Equilibrium of a Rigid Body
6.9 Moment of Inertia
6.10 Theorems of perpendicular & parallel axes
6.11 Kinematics of Rotational Motion About a Fixed Axis
6.12 Dynamics of Rotational Motion About a Fixed Axis
6.13 Angular Momentum of Rotation About a Fixed Axis
6.14 Rolling motion

Class 11 Physics Gravitation Topics

Gravitation is one of the most important chapters from a competitive exam perspective. This chapter covers laws of gravitation, gravitational potential energy, escape speed, orbital velocity, and Kepler's laws of planetary motion. You can expect really good conceptual questions and derivations based on this chapter in class 11 CBSE exams. Students can check the important topics of this chapter below;

Section Topics Covered
7.1 Introduction to gravitation
7.2 Keplers Law
7.3 Universal law of gravitation
7.4 Gravitational Constant
7.5 Acceleration due to gravity of Earth
7.6 Acceleration due to gravity below & above surface
7.7 Gravitational potential energy
7.8 Escape Speed
7.9 Earth Satellites
7.10 Energy of an Orbiting Satellite
7.11 Geostationary & polar satellites
7.12 Weightlessness

Class 11 Mechanical Properties of Solids topics

The Mechanical Properties of Solids deals with elastic behavior of solids, stress, strain, Hooke's law, elastic moduli (Young's, Shear, Bulk), and Poisson's ratio. Both conceptual and numerical questions are asked from this chapter in CBSE and competitive exams like NEET, CUET and others. Our CBSE Notes offer the best conceptual explanation for these concepts. You can read the important topics below; 

Section Topics Covered
8.1 Introduction to mechanical properties of solids
8.2 Elastic Behaviour of Materials
8.3 Stress and Strain
8.4 Hookes' Law
8.5 Stress Strain Curve
8.6 Young’s modulus
8.7 Bulk modulus
8.8 Shear modulus
8.9 Relation between elastic constants
8.10 Poisson’s ratio
8.11 Elastic energy

Topics covered in Mechanical Properties of Fluids

This chapter covers really important topics, including Pascal's law, Archimedes' principle, streamline and turbulent flow, and Bernoulli's principle. This chapter is really important for CBSE and competitive exams. Students can expect good numerical-type problems based on Pascal's law, Archimedes' principle, and Bernoulli's principle. You can check the important topics of this chapter below;

Section Topics Covered
9.1 Introduction to mechanical properties of fluids
9.2 Pressure in Fluids
9.3 Pascal’s law
9.4 Viscosity
9.5 Streamline Flow and turbulent flow
9.6 Continuity equation
9.7 Bernoulli's Principle
9.8 Applications of Bernoulli’s principle
9.9 Surface Tension
9.10 Angle of contact, capillary rise and fall
9.11 Application of surface tension

Thermal Properties of Matter Topics

This chapter includes conceptual and numerical questions of around 7 marks in the class 11 exams. This chapter explores Heat, temperature, thermal expansion, specific heat capacity, latent heat and other concepts. You can check the important topics of this chapter in our notes;

Section Topics Covered
10.1 Introduction
10.2 Temperature and Heat
10.3 Measurement of Temperature
10.4 Ideal-Gas Equation and Absolute Temperature
10.5 Thermal Expansion
10.6 Specific Heat Capacity
10.7 Calorimetry
10.8 Change of State
10.9 Heat Transfer
10.10 Newton's Law of Cooling

Topics in Class 11 Physics: Thermodynamics

Important concepts in this chapter include Thermal equilibrium, laws of thermodynamics, thermodynamic processes, and heat engines. This topic is really important for competitive exams, Numerical and concept-based questions are asked from this chapter in every competitive exam. You can read the important topics covered below;

Section Topics Covered
11.1 Introduction
11.2 Thermal Equilibrium
11.3 Zeroth Law of Thermodynamics
11.4 Heat, Internal Energy and Work
11.5 First Law of Thermodynamics
11.6 Specific Heat Capacity
11.7 Thermodynamic State Variables Equation of State
11.8 Thermodynamic Process
11.9 Heat Engines
11.10 Refrigerators and Heat Pumps
11.11 Second Law of Thermodynamics
11.12 Reversible and Irreversible Process
11.13 Carnot Engine

Class 11 Physics Kinetic Theory Topics

This chapter covers the Molecular nature of matter, the ideal gas equation, the pressure exerted by a gas, the kinetic interpretation of temperature, degrees of freedom, and law of equipartition of energy. You can expect 6 marks from this chapter in school-level exams. This chapter covers several topics, check below;

Section Topics Covered
12.1 Introduction to kinetic theory
12.2 Molecular Nature of Matter
12.3 Behaviour of Gases
12.4 Kinetic Theory of Ideal Gas
12.5 Law of Equipartition of Energy
12.6 Mean Free Path

Class 11 Physics Oscillations Topics

Oscillations deal with Periodic and oscillatory motion, simple harmonic motion (SHM) and its characteristics, simple pendulum, damped oscillations, and forced oscillations. Oscillation contributes around 5 marks in annual CBSE exams. There are several important topics covered in this topics;

Section Topics Covered
13.1

Introduction to Oscillations

13.2

Periodic and Oscillatory Motion

13.3 Displacement as a function of time
13.4 Periodic functions & their applications
13.5 Simple harmonic motion (SHM)
13.6 Equations of SHM
13.7 Phase in SHM
13.8 Oscillations of a loaded spring
13.9 Restoring force & force constant
13.10 Energy in SHM
13.11

Simple Pendulum

Class 11 Physics Waves Topics

Waves chapter in class 11 consists of fundamental topics like types of waves (transverse and longitudinal), wave propagation, superposition principle, reflection and refraction of waves, standing waves, beats, and the Doppler effect. Class 11 Wave is very important for CBSE annual exams. Read below the important topics of this chapter;

Section Topics Covered
14.1 Introduction to waves
14.2 Transverse and Longitudinal Waves
14.3 Displacement Relation for a Progressive Wave
14.4 Speed of a travelling wave
14.5 Principle of Superposition of Waves
14.6 Reflection of waves
14.7 Standing waves in strings and organ pipes
14.8 Fundamental mode and harmonics
14.9 Beats

 

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Feature for Class 11 Physics Notes

Check the features of our NCERT Class 11 Physics Notes for Chemistry below;

  • We have designed these notes to help students revise quickly during exams. These notes include concise summaries, important formulas, and highlighted concepts for each chapter.
  • We have organized our Physics notes as per the NCERT textbook and the latest CBSE 2026 syllabus. These also offer well-structured conceptual information of the topic with solved numerical problems.
  • These notes are ideal for quick revision before the annual CBSE exams. Students must revise daily or make a timely revision schedule for better results.
  • In our notes, each concept is provided with a step-by-step explanation to give you a clear understanding of core concepts.
  • Our notes for NCERT Textbooks include solved examples so that you can practice the concept you have learnt.
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