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Physics Science (English Medium) Class 11 CBSE Syllabus 2025-26

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CBSE Class 11 Physics Syllabus - Free PDF Download

CBSE Syllabus 2025-26 Class 11: The CBSE Class 11 Physics Syllabus for the examination year 2025-26 has been released by the Central Board of Secondary Education, CBSE. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2025-26 CBSE Class 11 Physics Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new CBSE syllabus to prepare for their annual exam properly.

The detailed CBSE Class 11 Physics Syllabus for 2025-26 is below.

Academic year:

CBSE Class 11 Physics Revised Syllabus

CBSE Class 11 Physics and their Unit wise marks distribution

CBSE Class 11 Physics Course Structure 2025-26 With Marking Scheme

#Unit/TopicWeightage
I  Physical World and Measurement 
1  Physical World 
1  Units and Measurements 
II  Kinematics 
2  Motion in a Straight Line 
3  Motion in a Plane 
III  Laws of Motion 
4  Laws of Motion 
IV  Work, Energy and Power 
5  Work, Energy and Power 
V  Motion of System of Particles and Rigid Body 
6  System of Particles and Rotational Motion 
VI  Gravitation 
7  Gravitation 
VII  Properties of Bulk Matter 
8  Mechanical Properties of Solids 
9  Mechanical Properties of Fluids 
10  Thermal Properties of Matter 
VIII  Thermodynamics 
11  Thermodynamics 
IX  Behaviour of Perfect Gases and Kinetic Theory of Gases 
12  Kinetic Theory 
X  Oscillations and Waves 
13  Oscillations 
14  Waves 
 Total -
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Syllabus

CBSE Class 11 Physics Syllabus for Chapter 1: Physical World and Measurement

1 Physical World
1 Units and Measurements
  • International System of Units  
    • System of unit
      1) CGS system
      2) MKS system
      3) FPS system
      4) S.I. system
    • S.I. unit: Length, Mass, Time, Electric Current, Temperature, Amount of substance, Luminous Intensity
  • Measurement of Length  
    • Length
    • Units of length
    • SI Unit of length
    • Subunit of metre
    • Multiple units of metre
    • Measurements of large distance:
      (i) Parallax Method: Parallax or parallactic angle (θ)
    • Method of measuring very small distances (Size of molecules)
    • Range of Lengths
  • Measurement of Mass  
    • Rage of Mass
  • Measurement of Time  
  • Accuracy, Precision and Least Count of Measuring Instruments  
    • Accuracy of measuring instruments
    • Precision of measuring instruments
    • Least count for various instruments
    • Zero error: Negative and Positive zero error
  • Errors in Measurements  
    • Types of errors in measurement:
    1. Systematic errors
       (i) Instrumental errors
      (ii) Error due to imperfection in experimental technique
      (iii) Procedural errors
      (iv) Personal errors
    2. Random errors
    3. Least count error
    4. Absolute error
    5. Mean absolute error
    6. Relative error or fractional error
    7. Percentage error
    8. Combination of percentage errors
      (a) Error of a sum or a difference
      (b) Error of a product or a quotient
      (c) Error in case of a measured quantity raised to a power
  • Significant Figures  
    • Order of magnitude
    • Significant figures
    • Addition and subtraction of significant figures
    • Multiplication and division of significant figures
    • Rules for limiting the result to the required number of significant figures
    • Rules for arithmetic operations with significant figures
    • Rounding-off in the measurement
  • Dimensions of Physical Quantities  
  • Dimensional Formulae and Dimensional Equations  
  • Dimensional Analysis and Its Applications  
    • Dimensional analysis
    • Applications of dimensional analysis
    • Limitations of dimensional analysis
    • Dimensions, units, formulae of some quantities
    • Checking the Dimensional Consistency of Equations
    • Deducing Relation among the Physical Quantities
  • Need for Measurement  
    • Physical quantities
    • Some physical quantities
    • Types of Physical quantities
      (i) Fundamental quantities
      (ii) Derived quantities
    • Measurement
  • Units of Measurement  
  • Fundamental and Derived Units  
    • Fundamental units
    • Definitions of some fundamental units in SI system
    • Derived units
    • Practical units
  • Length, Mass and Time Measurements  
  • Introduction of Units and Measurements  

CBSE Class 11 Physics Syllabus for Chapter 2: Kinematics

2 Motion in a Straight Line
3 Motion in a Plane

CBSE Class 11 Physics Syllabus for Chapter 3: Laws of Motion

4 Laws of Motion

CBSE Class 11 Physics Syllabus for Chapter 4: Work, Energy and Power

5 Work, Energy and Power

CBSE Class 11 Physics Syllabus for Chapter 5: Motion of System of Particles and Rigid Body

6 System of Particles and Rotational Motion

CBSE Class 11 Physics Syllabus for Chapter 6: Gravitation

7 Gravitation

CBSE Class 11 Physics Syllabus for Chapter 7: Properties of Bulk Matter

8 Mechanical Properties of Solids
  • Elastic Behaviour of Solid  
    • Deforming force
    • Elasticity
    • Factors affecting elasticity
      1) Hammering and rolling
      2) Annealing
      3) Impurity
      4) Temperature
    • Elastic limit
    • Elastic fatigue
      1) Elastic fatigue
      2) Due to elastic fatigue
      3) Elastic after-effect
  • Stress and Strain  
    • Stress
    • Types of stress
      1) Longitudinal stress: Tensile stress and Compressive stress
      2) Hydraulic or volume stress
      3) Shear or tangential stress
      4) Breaking stress
    • Strain
    • Types of strain
      1) Longitudinal (tensile or linear) strain
      2) Volume strain
      3) Shear strain
  • Hooke’s Law  
  • Stress-strain Curve  
  • Elastic Moduli  
    • Young’s Modulus  
    • Determination of Young’s Modulus of the Material of a Wire  
    • Shear Modulus or Modulus of Rigidity  
    • Bulk Modulus  
    • Poisson’s Ratio  
      • Lateral strain
      • Poisson's ratio
  • Application of Elastic Behaviour of Materials  
  • Elastic Energy  
    • Elastic energy
    • Work done in stretching a wire
9 Mechanical Properties of Fluids
  • Thrust and Pressure  
    • Introduction
    • Unit of pressure
    • Experiment
    • Variation of Pressure with Depth  
    • Atmospheric Pressure and Gauge Pressure  
    • Hydraulic Machines  
  • Pascal’s Law  
  • Streamline and Turbulent Flow  
    • Streamline flow
    • Laminar flow
    • Turbulent flow
  • Applications of Bernoulli’s Equation  
    • Applications of Bernoulli's theorem
    1. Action of atomiser
    2. Blowing of roofs by wind storms
    3. Venturimeter
    4. Blood Flow and Heart Attack
    5. Dynamic Lift
      (a) Ball moving without spin
      (b) Ball moving with spin
      (c) Aerofoil or lift on aircraft wing
  • Viscous Force or Viscosity  
    • Viscosity
    • Newton's law of viscosity
    • Coefficient of viscosity
    • Applications of coefficient of viscosity
  • Reynold's Number  
  • Surface Tension  
    • Surface Tension
    • Force due to surface tension
    • Factors affecting surface tension
      1) Nature of liquid
      2) Impurities
      3) Temperature
      4) Electrification
    • Applications of surface tension
  • Effect of Gravity on Fluid Pressure  
  • Terminal Velocity  
  • Critical Velocity  
  • Excess of Pressure Across a Curved Surface  
  • Introduction of Mechanical Properties of Fluids  
  • Archimedes' Principle  
  • Stoke's Law  
  • Equation of Continuity  
  • Torricelli's Law  
10 Thermal Properties of Matter
  • Heat and Temperature  
    • Introduction
    • Experiment
  • Measurement of Temperature  
  • Ideal-gas Equation and Absolute Temperature  
  • Thermal Expansion  
    • Linear Expansion
    • Areal Expansion
    • Volume expansion
    • Relation between Coefficients of Expansion
  • Specific Heat Capacity  
    • Introduction
    • Specific Heat Capacity of Different Substances
    • Experiment
  • Calorimetry  
    • Calorimetry
    • Principle of calorimetry
    • Temperature of mixture in different cases
  • Change of State - Latent Heat Capacity  
    • Change of State - Latent Heat Capacity
    • latent heat of fusion, latent heat of vaporisation (Lv)
  • Heat Transfer  
    • Conduction  
      • Conduction
      • Temperature gradient
      1. Thermal Conductivity: Coefficient of thermal conductivity
      2. Thermal resistance
      3. Series combination of conductors
      4. Parallel combination of conductors
      5. Applications of conductivity in everyday life
    • Convection  
      • Convection: Convection currents
      1. Natural convection
      2. Forced convection
    • Radiation  
      • Radiation
      • Thermal radiation
      • Relation between a, r and t
      • Athermanous and diathermanous substances
      • Greenhouse effect
  • Newton’s Law of Cooling  
    • Newton's law of cooling
    • Graphical representation
    • Applications 
    • Factors affecting the rate of cooling
    • Limitations of Newton's law of cooling
  • Qualitative Ideas of Black Body Radiation  
    • Perfectly black body 
    • Ferry's black body
    • Spectrum of black body radiation in terms of wavelength
  • Wien's Displacement Law  
  • Stefan's Law  
    • Stefan's (Stefan - Boltzmann) law
  • Anomalous Expansion of Water  
    • Anomalous expansion of water
    • Importance of Anomalous expansion of water
  • Liquids and Gases  
  • Thermal Expansion of Solids  
  • Green House Effect  
    • Green House Effect
    • Green House gases

CBSE Class 11 Physics Syllabus for Chapter 8: Thermodynamics

11 Thermodynamics
  • Thermal Equilibrium  
  • Zeroth Law of Thermodynamics  
  • Heat, Internal Energy and Work  
    • Heat
    • Internal Energy
    • Work: P-V diagrams
  • First Law of Thermodynamics  
    • First law of thermodynamics
    • Formulation of first law of thermodynamics
    • First law of thermodynamics for various processes
    1. Isothermal process
    2. Adiabatic process
    3. Isochoric process
    4. Isobaric process
    • Justification
    • Mathematical expression
    • Some useful conclusions are drawn from the law
    • Limitations
    • Expressions for the work done by an ideal gas under different conditions
  • Specific Heat Capacity  
    • Introduction
    • Specific Heat Capacity of Different Substances
    • Experiment
  • Thermodynamic State Variables and Equation of State  
    • Thermodynamic Equilibrium
      1) Mechanical equilibrium
      2) Chemical equilibrium
      3) Thermal equilibrium
    • Equation of state
    • Thermodynamic state variables
      1) Extensive variables
      2) Intensive variables
  • Thermodynamic Process  
    • Quasi-static process
    • Isothermal process
    • Adiabatic process
    • Isochoric process
    • Isobaric process
    • Cyclic process
  • Heat Engine  
    • Heat engine
    • Source
    • Working substance
    • Sink
    • Working
    • Efficiency of heat engine
  • Refrigerators and Heat Pumps  
    • Refrigerator: Heat Flow from a Colder Region to a Hotter Region
    • Source
    • Working substance
    • Sink
    • Working
    • Performance of a Refrigerator
    • Air conditioner
    • Heat Pump
  • Second Law of Thermodynamics  
    • Clausius' Statement
    • Kelvin Planck's Statement
    • Entropy
  • Reversible and Irreversible Processes  
    • Second Law of Thermodynamics - Reversible and Irreversible Processes
  • Carnot Engine  
    • Carnot Engine
    • Carnot cycle
      i) Isothermal expansion
      ii) Adiabatic expansion
      iii) Isothermal compression
      iv) Adiabatic compression

CBSE Class 11 Physics Syllabus for Chapter 9: Behaviour of Perfect Gases and Kinetic Theory of Gases

12 Kinetic Theory
  • Molecular Nature of Matter  
    • mean free path
  • Gases and Its Characteristics  
    • Gases
    • Behaviour and characteristic properties of gases
    1. Composition of gases
    2. Gases have neither a fixed volume nor a fixed shape
    3. Gases exert pressure in all directions
    4. Gases are highly compressible
    5. Gases are highly expansible
    6. Gases have low density
    7. Gases have a natural tendency to mix with one another (diffusion)
    8. Gases can be liquefied
  • Equation of State of a Perfect Gas  
    • Ideal gas equation (Equation of state)
    • Other forms of equation of state
    • Van der Waal's gas equation
    • Universal gas constant
    • Gas laws
    • Boyle's law
    • Charles' law
    • Gay Lussac's law
    • Avogadro's law and number
  • Work Done in Compressing a Gas  
  • Interpretation of Temperature in Kinetic Theory  
    • Kinetic energy of gas
    • Different forms of K.E. of gas
    • Relation between K.E. and temperature of the gas
  • Law of Equipartition of Energy  
    • Law of equipartition of energy
    • Energy of a system of the degree of freedom (f)
  • Specific Heat Capacities - Gases  
    • Applications of the law of equipartition of energy for specific heat capacity
    • Monatomic Gases
    • Diatomic Gases
    • Triatomic Gases
    • Specific Heat Capacity of Solids
    • Specific Heat Capacity of Water
  • Mean Free Path  
    • Free path
    • Mean free path
  • Kinetic Theory of Gases - Concept of Pressure  
    • Pressure exerted by the gas on the wall of a container
    • Molecular density of gas
    • Dalton's Law of partial pressures
  • Assumptions of Kinetic Theory of Gases  
    • Assumptions of kinetic theory of gases
    1. Based on Nature of gas molecules
    2. Based on motion of gas molecules
  • RMS Speed of Gas Molecules  
    • Speed of gaseous molecules
    1. Mean speed
    2. Mean square speed
    3. Root mean square speed
    • Maxwell distribution function
  • Degrees of Freedom  
    • Degrees of freedom
    • Degrees of freedom of mono, di, and triatomic gases
      1) Monoatomic gas
      2) Diatomic gas
      3) Triatomic gas
      4) Polyatomic gas
    • Degrees of freedom for different gases at room temperature
  • Avogadro's Number  

CBSE Class 11 Physics Syllabus for Chapter 10: Oscillations and Waves

13 Oscillations
  • Periodic and Oscillatory Motion  
    • Periodic Motion
    • Oscillatory motion
    • Some important terms in periodic motion
    • Displacement as a function of time
    • Periodic functions
    • Fourier theorem
    • Period and frequency
    • Displacement
    • Time Period
  • Simple Harmonic Motion (S.H.M.)  
    • Simple Harmonic Motion (S.H.M.)
    • Equation of S.H.M
      1) Equation of displacement
    • Phase: Initial phase or epoch or phase constant, Phase angle
    • S.H.M. as a projection of UCM
      2) Equation of velocity
      3) Equation of acceleration
      4) Equation of time period
      5) Equation of frequency
  • Simple Harmonic Motion and Uniform Circular Motion  
    • reference particle, reference circle
  • Velocity and Acceleration in Simple Harmonic Motion  
  • Force Law for Simple Harmonic Motion  
    • Oscillations of a spring
    • Spring pendulum
    • Oscillations of combinations of spring
  • Energy in Simple Harmonic Motion  
    • Energy in S.H.M. Kinetic and Potential Energies
    • Energy of S.H.M
    • Graphical representation of energy (E) versus displacement for a particle performing S.H.M. from mean position
    • Graphical representation of energy (E) versus period of S.H.M. (T) for a particle performing S.H.M. from mean position
  • Some Systems Executing Simple Harmonic Motion  
    • Simple pendulum
    • Effect of the density of medium on time period of simple pendulum
    • Oscillations due to a Spring - Restoring Force and Force Constant
    • Effect of viscosity of medium
    • Effect of temperature
    • Some special cases of simple pendulum: Second's pendulum
    • Various types of S.H.M: 
      1) S.H.M of a liquid in U- shaped tube
      2) S.H.M of a floating cylinder
      3) S.H.M of a small ball rolling down in hemispherical bowl
  • Damped Simple Harmonic Motion  
    • damping constant
  • Forced Oscillations and Resonance  
    • Free, Forced and Damped Oscillations
    • resonance
    • Small Damping, Driving Frequency far from Natural Frequency
    • Driving Frequency Close to Natural Frequency
  • Displacement as a Function of Time  
  • Periodic Functions  
  • Oscillations - Frequency  
  • Simple Pendulum  
    • Second’s Pendulum
14 Waves
  • Reflection of Transverse and Longitudinal Waves  
    • transverse wave
    • capillary waves and gravity waves
  • Displacement Relation for a Progressive Wave  
    • Simple harmonic progressive wave
    • Characteristics of Simple Harmonic (SH) Progressive wave
    • Relation between phase difference, path difference and time difference
    • Amplitude and Phase
    • Wavelength and Angular Wave Number
    • Period, Angular Frequency and Frequency
  • The Speed of a Travelling Wave  
    • Speed of a Transverse Wave on Stretched String
    • Speed of a Longitudinal Wave Speed of Sound
  • Principle of Superposition of Waves  
    • Superposition principle
    • Some important terms
      1) Phase
      2) Phase difference
      3) Path difference
    • Resultant amplitude due to superposition
    • Resultant intensity due to superposition
  • Reflection of Waves  
    • Introduction of Reflection of Waves  
      • Reflection of waves
      • Reflection of a transverse waves from
      • Reflection of a longitudinal wave from
      • Echo
    • Standing Waves and Normal Modes  
      • Stationary Waves (Standing waves)
      • Stationary waves are of two types: Longitudinal and Transverse stationary waves
      • Nodes
      • Antinodes
      • Characteristics of stationary waves
      • Difference between progressive waves and stationary waves
      • Terms related to the application of stationary waves: Note, Tone, Fundamental note and fundamental frequency, Harmonics, Overtones, Octave, Unison, Resonance.
      • Standing Waves in Strings
      • Harmonics and overtone
      • Laws of vibrating string
        1) Law of length
        2) Law of mass
        3) Law of density
        4) Law of tension
      • Organ Pipes: Closed and Open Organ Pipe
      • End correction
      • Energy in a standing wave
      • Fundamental Mode and Harmonics
      • fundamental mode or the first harmonic, second harmonic
  • Beats  
    • Analytical method to determine beat frequency
    • Applications of beats
  • Doppler Effect  
    • Musical Sound
    • Source Moving and Listener Stationary
    • Listener Approaching a Stationary Source with Velocity vL
    • Both Source and Listener are Moving
    • Common Properties between Doppler Effect of Sound and Light
    • Major Differences between Doppler Effects of Sound and Light
    • Effect of wind velocity on Doppler's effect in sound
    • Applications of Doppler's effect
  • Wave Motion  
    • Wave motion
    • Characteristics of wave motion
    • Mechanical waves
    • Types of Mechanical waves
      1) Transverse waves
      2) Longitudinal waves
    • Difference between transverse waves and longitudinal waves
  • Speed of Wave Motion  
    • Terms involved in wave motion
    • Velocity of transverse wave on string
    • Velocity of longitudinal wave (Sound wave)
    • Factors affecting velocity of sound in gaseous medium
      1) Effect of pressure at constant temperature
      2) Effect of temperature
      3) Effect of density
      4) Effect of humidity

Textbook SolutionsVIEW ALL [5]

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