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Class 11 Physics Notes: Chapter Wise Important Topics & Practical Notes

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Jasmine Grover

Education Journalist | Study Abroad Lead

CBSE Class 11 Physics Notes are very important to understand the concepts for CBSE Board Examinations as well as other competitive exams. CBSE Class 11 covers concepts of various topics like the physical world, units and measurements, motion in a straight line, etc. Students can go through the chapter-wise Physics Notes for Class 11, NCERT Solutions for Class 11 Physics as well as notes and experiments related to Physics Practical in the article below.

Class 11 Physics Notes –  Chapters and Important Topics

Chapter-wise Notes for Class 11 Physics can be accessed by clicking on the links below:

Table of Content

  1. Chapter 1 – Physical World
  2. Chapter 2 – Units and Measurements
  3. Chapter 3 – Motion In A Straight Line
  4. Chapter 4 – Motion In A Plane
  5. Chapter 5 – Laws Of Motion
  6. Chapter 6 – Work, Energy, and Power
  7. Chapter 7 – System of Particles and Rotational Motion
  8. Chapter 8 – Gravitation
  9. Chapter 9 – Mechanical Properties of Solids
  10. Chapter 10 – Mechanical Properties of Fluids
  11. Chapter 11 – Thermal Properties of Matter
  12. Chapter 12 – Thermodynamics
  13. Chapter 13 – Kinetic Theory
  14. Chapter 14 – Oscillations and Waves
  15. NCERT Solutions for Class 11 Physics
  16. Class 11 Physics Practical Notes

Chapter 1: Physical World

The basics of physics and its origin are discussed in this chapter of CBSE Class 11 Physics. The topic covers concepts like:

Check out Class 11 Physics Notes for Chapter 1 Physical World:

MCQ on Physical World

 Difference between Discovery and Invention Equivalence Principle
Conservation Laws in Physics Physics Technology and Society Statistical Mechanics

Chapter 2: Units and Measurements

CBSE Class 11 Physics Notes for Chapter 2 deals with the various measurement units and how they are used to measure time, distance, and multiple other quantities. The main topics discussed in the chapter are:

Check out Class 11 Physics Revision Notes for Chapter 2 Units and Measurements:

Measurement of length Measurement of mass Measurement Formulas
Screw Gauge Measurement Micrometer Uses of Vernier Calipers
Unit of Force Unit of Acceleration Unit of Velocity
Unit of Mass Unit of Length Unit of Speed
Unit of Light Precision of a measurement International Systems of Units
Unit of Weight System of Units Time Dilation formula
Universal Force Measurement of Time Error significant figures exact numbers
Energy Orbiting Satellite Measurement size of molecule oleic acid Error arithmetic operations significant figures
Value of one light year Rocket science Standard measurement units
Difference between mass and weight Lagrangian point Unit of Frequency
Unit of Volume What is Unit of Resistance? Weight Formula
Fundamental and Derived Units of Measurement Principle of Homogeneity of Dimensions Measurement of speed
Relation between density and volume Least Count Error Dimensional Analysis

Chapter 3: Motion in a Straight Line

The chapter covers the basics of motion in a straight line and kinematics. The topics covered include:

Check out Class 11 Physics Notes for Chapter 3 Motion in a Straight Line:

Motion in a Straight Line MCQ Instantaneous Speed Formula Position formula
Relative Velocity Frames of Reference Kinematics Equations
Uniform Acceleration Difference Between Kinetics and Kinematics Acceleration Time Graph
Uniform Motion Average Acceleration Formula Speed Distance Time Formula
Average Velocity Formula Average Speed Formula Instantaneous Velocity Formula
Rectilinear motion of particles VT Graphs Air resistance formula
Relative Speed Path Length Displacement Formula with Examples

Chapter 4: Motion in a Plane

CBSE Class 11 Notes for Physics covers how motion takes place in a two-dimensional plane. The important topics covered are:

Check out Class 11 Physics Revision Notes for Chapter 4 Motion in a Plane:

Resolution of vectors Centripetal Acceleration Uniform Circular Motion
Resultant Vector Formula Relation between torque and speed Horizontal motion
Trajectory formula Tangential Acceleration Formula Motion in a Plane MCQ

Chapter 5: Laws of Motion

The chapter deals with force and laws of motion. The other topics included in the chapter are:

Check out Class 11 Physics Revision Notes for Chapter 5 Laws of Motion:

Newton’s second law of motion Newton’s third law of motion Banking of Roads
Rolling Friction Sliding Friction Pseudo Force
Kinetic Friction Motion in Physics Derivation of Centripetal Acceleration
Aristotle Fallacy Static Friction Impending Motion
Impulse Formula with Examples Friction Formula with Solved Examples Centripetal Force Formula 
Acceleration inclined plane Difference between momentum and inertia Force and acceleration
Mass and momentum Banking of road formula Friction loss formula
Normal force formula Laws of friction Static Friction Formula
Friction Force Formula Coefficient of Static Friction Tension Force

Chapter 6: Work, Energy, and Power

The CBSE Class 11 Notes for Physics discusses the Work and Dimensions of the unit of work. The chapter deals with:

Check out Class 11 Physics Revision Notes for Chapter 6 Work, Energy, and Power:

Principle of Conservation of Energy Elastic and Inelastic Collisions What is Pulley?
Types of Energy Elastic Collision Difference between power and energy
Pulley System Types of Springs Derivation of Work-Energy Theorem
Conservation Of Mechanical Energy Work and Energy Work-Energy Theorem
Potential Energy Formula Work Formula Power Formula
Mechanical Advantage Formula Relation between ev and joule Kinetic and potential energy difference
Work done by gravity formula Coefficient of static friction formula Inelastic collision formula
Potential energy of a spring formula Difference between force and power Linear Momentum Formula
Unit of Power Derivation of Kinetic Energy Horsepower formula

Chapter 7: Systems of Particles and Rotational Motion

The chapter deals with how the system of particles moves in our day-to-day lives. The main focus of Class 11 Physics Notes – Systems of Particles and Rotational Motion on:

Check out Class 11 Physics Revision Notes for Chapter 7 Systems of Particles and Rotational Motion:

Vector product of two vectors Moment of force (Torque) Moment of inertia
Rigid Bodies Unit of Moment of Inertia Angular Displacement
Rotational Kinetic Energy Radial Acceleration Relation Between Torque & Moment of Inertia
Radius of Gyration Center of Mass Angular Speed Formula
Angular Velocity Formula Angular Acceleration Formula Difference between torque and moment
Rigid body and rigid body dynamics Types of lever Tangential velocity formula
Rolling motion Angular Speed Torque or Couple
Torque Formula Moment formula Parallel perpendicular axes theorem

Chapter 8: Gravitation

Class 11 Physics Notes for Gravitation deals with the Law of Gravitation given by Newton. The other topics in the chapter include:

Check out Class 11 Physics Revision Notes for Chapter 8 Gravitation:

Gravitational potential energy Escape speed Earth satellites
Gravity Neptune Specific Gravity
Density of Air Value of g on Moon Difference Between Centre of Gravity and Centroid
Derivation of Escape Velocity Motion of Celestial Bodies in Space Gravitational Force and Law of Gravitation
Specific Gravity Formula Orbital Velocity Formula Relation between escape velocity and orbital velocity
Universal gravitation formula Inverse square law formula Force of attraction formula
Free fall formula What if the earth stopped spinning? Gravitational Force Formula
What is value of Gravitational Constant? Weightlessness What is Relation between G and g?

Chapter 9: Mechanical Properties of Solids

CBSE Notes for Class 11 Physics explains how rigid bodies can be stretched or bent when sufficient external force is applied to them. The chapter also covers:

Check out Class 11 Physics Revision Notes for Chapter 9 Mechanical Properties of Solids:

Mechanical Properties of Solids Stress and strain Elastic moduli
Bulk Modulus Shearing Stress Yield Strength
Tensile Stress Elastomers Bulk Modulus Formula
Shear Modulus Stress Formula Relation Between Elastic Constants
Strain Formula Strain Energy Formula Solid deformation

Chapter 10: Mechanical Properties of Fluids

The chapter explains the mechanical properties of fluids such as Pascal’s and Archimedes' principles. The main points of the chapter include:

Check out Class 11 Physics Revision Notes for Chapter 10 Mechanical Properties of Fluids:

Pascal’s Law Hydraulic Machines Venturi-meter
Stokes’ Law Surface tension Surface Energy
Unit of Pressure Reynolds Number Unit of Viscosity
Fluid Friction Fluid Pressure Value of R in atm
Hydrostatic Paradox Hydraulic Lift Viscosity
Terminal Velocity Formula Tension Formula Surface Tension Formula
Dynamic Viscosity Formula & Solved Examples Sphygmomanometer Difference between kinematic and dynamic viscosity
Relation between dynamic and kinematic viscosity Mach number Relation between bar and atm
Water pressure formula Bernoullis equation formula Poiseuilles law formula
Pressure Drop formula Viscosity Dynamic lift
Pressure Formula Barometer Derivation of Continuity Equation

Chapter 11: Thermal Properties of Matter

The chapter deals with thermal properties of matter, heat, and thermodynamics. The Class 11 Physics Notes covers the following concepts:

Check out Class 11 Physics Revision Notes for Chapter 11 Thermal Properties of Matter:

Newton’s Law of Cooling Specific heat capacity Calorimetry
Latent Heat Heat transfer Blackbody Radiation
Difference Between Heat and Temperature What is Unit of Temperature?  Applications & Uses of Thermometer
Regelation Wien’s Displacement Law Heat Formula
Heat Capacity Formula Difference between conduction convection and radiation Heat transfer convection
Impact of temperature Temperature measurement thermometer Wiedemann franz law
Fahrenheit to celsius formula Thermal energy formula Latent heat of fusion formula
Heat flux formula Heat of fusion formula Heat rate formula
Thermal expansion formula Calorimetry formula Working of boiler
Heat transfer thermal radiation Latent Heat Formula Coefficient of Linear Expansion

Chapter 12 - Thermodynamics

In Class 11 Physics Notes for Thermodynamics, we deal with the relation between heat and various other forms of energy. The important concepts covered in the chapter are:

Check out Class 11 Physics Revision Notes for Chapter 12 Thermodynamics:

Thermodynamics Zeroth law of Thermodynamics Thermodynamic processes
Cyclic process Heat engines Second law of thermodynamics
Isothermal process Adiabatic process Carnot engine
Kelvin Planck Statement  Helmholtz Free Energy Difference Between Isothermal and Adiabatic process
Clausius Statement Differences between enthalpy and entropy Refrigerator heat pump
Two-stroke engine Joule Thomson Effect & Coefficient Reversible and irreversible processes
Standard Enthalpy of Formation Phase transition Spontaneity
Sublimation Specific Heat of Water Entropy Change
Thermochemistry Born-Haber Cycle Gibbs Free Energy Formula
Internal Energy Formula Ionization Energy Formula Efficiency Formula

Chapter 13: Kinetic Theory

The CBSE Class 11 Physics Notes of the chapter kinetic theory deals with the following topics:

Check out Class 11 Physics Revision Notes for Chapter 13 Kinetic Theory:

Pressure of an Ideal Gas Law of equipartition of energy Monatomic Gases
Value of Boltzmann Constant Derivation of Van Der Waals Equation Stefan Boltzmann Constant
Behaviour of Gas Molecules Inelastic collision Boltzmann equation
Specific Heat Capacity of Water Mean Free Path Maxwell Boltzmann distribution formula

Chapter 14 - Oscillations and Waves

This Class 11 Notes for Physics for Oscllations chapter deals with the concept of oscillation and its types. Other important topics of the chapter include:

Check out Class 11 Physics Revision Notes for Chapter 14 Oscillations and Waves:

Beats Doppler effect Longitudinal Waves
Unit of Wavelength What is Wave Function?  What is Unit of Sound? 
Laplace Correction Wave Speed Frequency and Wavelength
Gravity Waves Types of Waves Wave Motion
Intensity Formula Speed of Sound Formula & Solved Example Reflection of waves
Relation between velocity and wavelength Relation between frequency and velocity P wave
Relation between group velocity and phase velocity S waves Standing wave normal mode
Amplitude Formula Relation between amplitude and frequency Period angular frequency
Transverse Waves Difference Between Longitudinal and Transverse Waves Beat frequency formula

Class 11 Physics Notes

Class 11 Physics Notes for important topics are as given below:

Class 11 Physics Notes – Other Topics
Anemometer Igneous Rocks Metamorphic Rocks
Celestial Bodies What is Wind Vane?  Inertia
Sound Waves What is Accelerometer?  Thermal Conductivity
Magnetic Quantum Number Raman Scattering

Derivation of Potential Energy
Electron Spin Interference of Waves Poisson's Ratio
Derivation of Schrodinger Wave Equation Potential Energy of a Spring Difference Between Scalar and Vector Quantities
Free, Forced And Damped Oscillations Wavelength Formula Kinetic Energy Formula
Mass Flow Rate Formula Newton's Second Law Formula Electron Mass
Wheel and axle Progressive wave Statistical physics
Difference between torque and power Relation between pressure and density Difference Between Emission and Absorption Spectra
Equilibrium of concurrent forces Relation between bar and pascal Relation between kg and newton
Power and Energy Difference Rock cycle Shield volcano
Lattice energy formula Froude number formula Wavelength to frequency formula
Gas Constant (R) Difference between work and power Angular motion
Resonance Derivation of bending equation Dwarf Planets

NCERT Solutions for Class 11 Physics

The chapter-wise NCERT Solutions for Class 11 Physics are as given below:

Class 11 Physics NCERT Solutions
NCERT Solutions for Physical World NCERT Solutions for Units and Measurements NCERT Solutions for Motion in a Straight Line
NCERT Solutions for Laws of Motion NCERT Solutions for Work, Energy, and Power NCERT Solutions for Systems of Particles and Rotational Motion
NCERT Solutions for Mechanical Properties of Solids NCERT Solutions for Mechanical Properties of Fluids NCERT Solutions for Thermal Properties of Matter
NCERT Solutions for Kinetic Theory NCERT Solutions for Oscillations NCERT Solutions for Waves
NCERT Solutions for Thermodynamics NCERT Solutions for Gravitation NCERT Solutions for Motion in a Plane

Class 11 Physics Practical Notes

The practical notes for CBSE Class 11 are as given below:

Class 11 Physics Notes – Practicals
Speed of sound in air at room temperature using a resonance tube by two resonance positions To determine radius of curvature of a given spherical surface by a spherometer To determine specific heat capacity of given solid by method of mixtures
To find the surface tension of water by capillary rise method To determine youngs modulus of elasticity of the material of a given wire To find effective length of seconds pendulum using graph
To find force constant of helical spring by plotting a graph between load and extension To determine the coefficient of viscosity of given viscous liquid by measuring terminal velocity of given spherical body To find the weight of a given body using parallelogram law of vectors
To measure thickness of sheet using screw gauge To study the relationship between force of limiting friction and normal reaction and to fill the coefficient of friction between a block and a horizontal surface To study the variation in volume with pressure for a sample of air at constant temperature by plotting graphs between p and v
Beer Lambert Law Relationship between frequency and length of wire under constant tension using sonometer Relationship between temperature of hot body and time by plotting cooling curve
Also check:
Important Class 11 Study Guides
Relation in physics Choice-based Questions in Physics Important Physics Constants and Units
SI units in Physics NCERT Solutions for Class 11 Maths NCERT Solutions for Class 11 Chemistry
NCERT Class 11 Physics Book NCERT Class 11 Biology Book Class 11 PCMB Syllabus
Biology MCQs Chemistry MCQs Maths MCQs
Chemistry Study Notes Important Named Reactions Periodic Table in Chemistry
NCERT Solutions for Class 11 Biology NCERT Solutions for Class 11 English NCERT Class 11 Chemistry Book
Physics Derivations Physics Practical Differences & Comparisons Articles in Physics

Check out:

Important Study Guides
NCERT Solutions for Class 12 Physics Class 12 Physics Notes Class 12 Physics Book PDF
Class 12 Biology Notes Class 12 Chemistry Notes Class 12 Maths Notes
Class 12 PCMB Notes NCERT Class 12 Biology Book NCERT Class 12 Maths Book
NCERT Solutions for Class 12 Biology NCERT Solutions for Class 12 Maths NCERT Solutions for Class 12 English
Class 12 Physics Practicals Class 12 Physics Syllabus NCERT Solutions for Class 12 Chemistry
CBSE Class 12 Mathematics CBSE Class 12 Chemistry CBSE Cl           ass 12 Biology
Class 12 Chemistry Practicals NCERT Class 12 Textbooks NCERT Class 11 Chemistry Book PDF
NCERT Solutions for Class 6 to 12 Important Formulas Math Formula
Physics Formula Chemistry Formula Maths Study Material
Physics Study Material Chemistry Study Material Biology Study Material
Periodic Table Chemical Reactions Difference between in chemistry
Difference between in physics Difference between in maths Difference between in biology
Math MCQs Biology MCQs Physics MCQs
Chemistry MCQs NCERT Class 12 Biology Book NCERT Class 11 Physics Book

CBSE CLASS XII Related Questions

  • 1.
    Draw a circuit diagram of a full-wave rectifier using p-n junction diodes. Explain its working and show the input-output waveforms.

        View Solution

      • 2.
        The figure shows three point charges kept at the vertices of triangle ABC. The net electric field, due to this system of charges, at the midpoint M of base BC will be:

          • \( \frac{q}{4 \pi \epsilon_0 l^2} \) pointing along MA
          • \( \frac{q}{\pi \epsilon_0 l^2} \) pointing along AM
          • \( \frac{q}{2 \pi \epsilon_0 l^2} \) pointing along AM
          • Zero
          View Solution

        • 3.
          Two parallel plate capacitors X and Y are connected in series to a 6 V battery. They have the same plate area and same plate separation but capacitor X has air between its plates, whereas capacitor Y contains a material of dielectric constant 4. Calculate the capacitances of X and Y, if the equivalent capacitance of the combination of X and Y is \( 4 \, \mu\text{F} \). Calculate the potential difference across the plates of X and Y.

              View Solution

            • 4.
              Two small identical metallic balls having charges \( q \) and \( -2q \) are kept far at a separation \( r \). They are brought in contact and then separated at distance \( \frac{r}{2} \). Compared to the initial force \( F \), they will now:

                • attract with a force \( \frac{F}{2} \)
                • repel with a force \( \frac{F}{2} \)
                • repel with a force \( F \)
                • attract with a force \( F \)
                View Solution

              • 5.
                Four independent waves are expressed as \[ (i)\; y_1=A_1\sin\omega t, \] \[ (ii)\; y_2=A_2\sin 2\omega t, \] \[ (iii)\; y_3=A_3\cos\omega t, \] \[ (iv)\; y_4=A_4\sin\left(\omega t+\frac{\pi}{3}\right) \] The interference between two of these waves is possible in

                  • (i) and (iii) only
                  • (iii) and (iv) only
                  • (i), (iii) and (iv) only
                  • All of them
                  View Solution

                • 6.
                  What is displacement current (\( i_d \))? Considering the case of charging of a capacitor, show that \( i_d = \varepsilon_0 \frac{d\Phi_E}{dt} \). What is the value of \( i_d \) for a conductor across which a constant voltage is applied?

                      View Solution
                    View All
                    CBSE CLASS XII Previous Year Papers
                    Physics Preparation Guides
                    Escape Velocity - Formula, Derivation, Escape Velocity of Earth, Moon, Solved Questions
                    Vector Product Of Two Vectors And Their Properties
                    Gravitational Potential Energy: Formula and Derivation
                    Gravitation: Gravitational Force , Field, and Potential Energy
                    Newton's Third Law of Motion: Interaction Force Pairs
                    Fundamental Forces in Nature & Their Relative Strengths
                    Rolling Motion: Translation & Rotational Motion
                    Mechanical Properties of Solids: Stress-strain Curve and Hooke's Law
                    Physics - Surface Energy : Definition , Formulas , Important Questions
                    Viscosity : Meaning, Definition , Types (Kinematic and Dynamic Viscosity) and Solved Examples
                    Physics - Latent Heat - Definition, Examples, Formula, Types, Fusion, Vaporization, Sublimation, Specific Latent Heat, Unit and Sample Questions
                    Weightlessness - Meaning, Zero Gravity, Solved Examples
                    Thermal Properties of Matter: Thermal Expansion and Thermal Conductivity
                    Hooke's Law: Formula, Graph, Experiment & Examples
                    Earth satellites: Types and Uses of Satellite, Geostationary & Polar Satellite, Orbital velocity- Gravitation
                    Hydraulic Machines: Uses, Applications & Pascal's Law
                    Venturi-meter: Installation, Derivation, Types, Uses and Working Principle
                    Moment Of Force: Torque, Types, Unit, Formula, Direction, Application and Solved Questions
                    Kinetic Theory: Laws and Equations
                    Bulk Modulus: Definition, Formula & Solved Examples
                    Physics NCERT Solutions
                    Displacement Vector: Position Vector, Definition and Applications
                    Wien’s Displacement Law: Formula and Applications
                    Centripetal Acceleration: Formula, Derivation, and Applications
                    Relation between G and g: Explanation, Values and Difference
                    Torque or Couple: Definition, Formula and Examples
                    Derivation Relation Between Elastic Constants
                    Path length: Position & Displacement
                    Kelvin Planck Statement: Examples, Carnot’s Cycle, Heat Engine
                    Bernoulli’s Principle: Formula, Derivation, Limitations, and Sample Questions
                    Impending Motion: Static Friction, Stages of Transition, and Slipping

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