Tamil Nadu Board of Secondary Education Class 11 Physics Syllabus - Free PDF Download
Tamil Nadu Board of Secondary Education Syllabus 2025-26 Class 11: The Tamil Nadu Board of Secondary Education Class 11 Physics Syllabus for the examination year 2025-26 has been released by the Tamil Nadu Board, Tamil Nadu Board of Secondary Education. 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 Tamil Nadu Board of Secondary Education Class 11 Physics Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new Tamil Nadu Board of Secondary Education syllabus to prepare for their annual exam properly.
The detailed Tamil Nadu Board of Secondary Education Class 11 Physics Syllabus for 2025-26 is below.
Academic year:
Tamil Nadu Board of Secondary Education Class 11 Physics Revised Syllabus
Tamil Nadu Board of Secondary Education Class 11 Physics Course Structure 2025-26 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| 1 | Nature of Physical World and Measurement | |
| 2 | Kinematics | |
| 3 | Laws of Motion | |
| 4 | Work, Energy and Power | |
| 5 | Motion of System of Particles and Rigid Bodies | |
| 6 | Gravitation | |
| 7 | Properties of Matter | |
| 8 | Heat and Thermodynamics | |
| 9 | Kinetic Theory of Gases | |
| 10 | Oscillations | |
| 11 | Waves | |
| Total | - |
Advertisements
Advertisements
Advertisements
Syllabus
1 Nature of Physical World and Measurement
- What is Science?
- What is Science?
- Types of science : Natural and Social Science
- The Scientific Method
- What is Physics?
- What is Physics?
- Two thrusts in physics : Unification and Reductionism
- Physics in Relation to Technology and Society
- Physics in relation to Chemistry
- Physics in relation to biology
- Physics in relation to mathematics
- Physics in relation to astronomy
- Physics in relation to geology
- Physics in relation to oceanography
- Physics in relation to psychology
- Measurement
- Definition of Physical Quantity
- Types of Physical Quantities
- Definition of Unit and its Types
- Different types of Measurement Systems
- SI unit System
- Measurement of Basic Quantities
- Measurement of length
- Measurement of mass
- Measurement of Time intervals
- Theory of Errors
- Accuracy and Precision
- Errors in Measurement
- Systematic errors
- Random errors
- Gross Error
- Error Analysis
- Absolute Error
- Mean Absolute error
- Relative error
- Percentage error
- Propogation of Errors
- Significant Figures
- Introduction
- The Five Essential Rules
- Order of magnitude
- Example
- Dimensions and Dimensional Analysis
- Definition: Dimensions
- Application 1
- Application 2
- Application 3
- Real-Life Applications
- Limitations of Dimensional Analysis
2 Kinematics
- Introduction to Kinematics
- Concept of Rest and Motion
- Types of motion
- Linear motion
- Circular motion
- Rotational motion
- Vibratory motion
- Motion in One, Two and Three Dimensions
- Elementary Concept of Vector Algebra
- Magnitude of a Vector
- Different types of Vectors
- Addition of Vectors
- Subtraction of vectors
- Components of Vector
- Vector addition using components
- Components of a vector in two dimensions space
- Components of a vector in three-dimensional space
- Vector Operations>Multiplication of a Vector by a Scalar
- Introduction: Vector Operations
- Statement: Multiplication of a Vector by a Scalar
- Example
- Position Vectors
- Distance and Displacement
- Introduction
- Experiment
- Concept of Calculus
- Differential Calculus
- Introduction
- Definition: Differentiation
- Characteristics
- Process: Finding the Derivative
- Significance
- Derivatives
- Example
- Integral Calculus
- Introduction
- Definition: Definite Integral
- Definition: Indefinite Integral
- Characteristics
- Process: Finding the Area Under a General Curve
- Significance
- Basics of Integration
- Example
- Differential Calculus
- Motion Along One Dimension
- Average velocity
- Relative Velocity in One and Two Dimensional Motion
- Equations of Uniformly Accelerated Motion by Calculus Method
- Motion in Two Dimensions-Motion in a Plane
- Projectile Motion
- Introduction
- Definition: Projectile Motion
- Key Concepts
- Characteristics
- Trajectory Equation
- Significance
- Example
- Real-Life Examples
- Projectile Motion
3 Laws of Motion
- Newton’s Laws of Motion
- Application of Newton's Law
- Free Body Diagram
- Particle Moving in an Inclined Plane
- Two Bodies in Contact on a HorizontalSurface
- Motion of Connected Bodies
- Concurrent Forces and Lami’s Theorem
- LAMI's Theorem
- Law of Conservation of Total Linear Momentum
- Impulse
- Friction
- Friction
- Static friction
- Kinetic friction
- Types of kinectic friction
1) Sliding friction
2) Rolling friction - Laws of friction
- Coefficient of static friction
- Coefficient of kinetic friction
- Angle of Friction
- Angle of Repose
- Application of Angle of Repose
- Advantages and disadvantages of friction
- Methods to Reduce Friction
- Lubrication
- Motion of a body on an inclined plane
- Dynamic of Circular Motion
- Centripetal force
- Vehicle on a leveled circular road
- Banking of Tracks
- Centrifugal Force
- Effects of Centrifugal Force
- Centrifugal Force due to Rotation of the Earth
- Centripetal Force Versus Centrifugal Force
4 Work, Energy and Power
- Introduction to Work
- Work
- Work done by a constant force
- Work done by a variable force
- Energy
- Sources of Energy
- Non-conventional Sources of Energy
- Consumption Pattern of Commercial Energy
- Power/Electricity
- Some Challenges in the Power Sector
- Kinetic energy
- Work–Kinetic Energy Theorem
- Relation between Momentum and Kinetic Energy
- Potential Energy
- Potential energy near the surface of the Earth
- Elastic Potential Energy
- Conservative and non-conservative forces
- Law of conservation of energy
- Motion in a vertical circle
- Concept of Power
- Definition: Power
- Formula: Power
- Key Points: Power
- Collisions
- Introduction
- Definition: Collision
- Characteristics
- Real-Life Examples
5 Motion of System of Particles and Rigid Bodies
- Centre of Mass>Mathematical Understanding of Centre of Mass
- Introduction
- Definition: Centre of Mass
- System of n Particles
- Continuous Mass Distribution
- Important Results for Symmetric Objects
- Significance
- Example 1
- Example 2
- Example 3
- Real-Life Examples
- Torque and Angular Momentum
- Moment of a Force (Motion of System of Particles and Rigid Body)
- Angular Momentum and Law of Conservation of Angular Momentum and Its Applications
- Moment of force (Torque)
- Angular momentum of a particle
- Torque and angular momentum for a system of particles
- conservation of angular momentum
- Equilibrium of Rigid Body
- Principle of moments
- Centre of gravity
- Moment of Inertia
- Moment of Inertia of a Uniform Rod
- Moment of Inertia of a Uniform Ring
- Moment of Inertia of a Uniform Disc
- Radius of Gyration
- Theorems of Moment of Inertia
- Moment of Inertia of Different Rigid Bodies
- Rotational Dynamics
- Introduction
- Rolling Motion
- Kinetic Energy of Rolling Motion
- Rolling motion on an inclined plane
6 Gravitation
- Concept of Gravitation
- Introduction
- History/Origin
- Definition: Gravitation
- Formula: Gravitation
- Characteristics
- Understanding Gravitation
- Significance
- Real-Life Examples
- Gravitational Field and Gravitational Potential
- Gravitational field
- Superposition principle for Gravitational field
- Gravitational Potential Energy
- Gravitational potential energy near the surface of the Earth
- Gravitational potential V(r)
- Acceleration Due to Gravity of the Earth
- Variation of g with altitude, depth and latitude
- Escape Speed and Orbital Speed
- Satellites, orbital speed and time period
- Energy of an Orbiting Satellite
- Geo-stationary and polar satellite
- Weightlessness Weight of an object
- Elementary Ideas of Astronomy
- Heliocentric system over geocentric system
- Kepler’s Third Law and The Astronomical Distance
- Measurement of radius of the Earth
- Interesting Astronomical Facts
- Recent developments of astronomy and gravitation
7 Properties of Matter
- Introduction to Properties of Matter
- Microscopic Understanding of Various States of Matter
- Solids
- Liquids
- Gases
- Elastic behaviour of materials
- Stress and strain
- Hooke’s law and its experimental verification
- Moduli of elasticity
- Poisson’s ratio
- Elastic energy
- Applications of elasticity
- Fluids
- Introduction
- Pressure due to fluid column at rest
- Pascal’s law and its applications
- Buoyancy
- Viscous Force or Viscosity
- Viscosity
- Newton's law of viscosity
- Coefficient of viscosity
- Applications of coefficient of viscosity
- 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
- Bernoulli's Theorem
- Bernoulli's theorem
- Equation of continuity
- Poiseuille's formula
- Special cases
1) Series combination of capillary tubes
2) Parallel combination of capillary tubes
8 Heat and Thermodynamics
- Temperature and Heat
- Introduction
- Experiment
- Thermal Equilibrium
- Heat Transfer and Thermal Equilibrium
- States of Matter and Energy Transformation
- Definition: Temperature
- Heat Transfer and Units of Energy and Temperature
- Thermal Properties of Matter
- Introduction
- Definition: Temperature
- Historical Background / Origin
- Law of Heat Transfer
- Prevost theory of heat exchange
- Stefan Boltzmann law
- Wien’s displacement law
- Thermodynamics
- Measurement of Temperature
- Definition: Adiabatic Wall
- Definition: Diathermic Wall
- Activity
- Zeroth Law of Thermodynamics
- Thermometry
- Thermometer
- Definition: Ice Point
- Definition: Steam Point
- Development of the Celsius Temperature Scale
- Different Scales
- Example 1
- Example 2
- Thermometric Property
- Characteristics of Thermometer
- Thermochromic Liquids
- Example 3
- Example 4
- Internal Energy (U)
- Specific Heat Capacity
- Definition: Specific Heat Capacity
- Formula: Specific Heat Capacity
- Key Points: Specific Heat Capacity
- Thermodynamic Process
- Thermodynamic Process
- Work Done During a Thermodynamic Process
- Heat Added During a Thermodynamic Process
- Heat Engine
- Heat engine
- Source
- Working substance
- Sink
- Working
- Efficiency of heat engine
- Refrigerator
9 Kinetic Theory of Gases
- Kinetic Theory
- Introduction
- Postulates of kinetic theory of gases
- Expression for Pressure Exerted by a Gas
- The pressure exerted by the molecules depends on:
(i) Number density
(ii) Mass of the molecule
(iii) Mean square speed
- The pressure exerted by the molecules depends on:
- 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
- Relation Between Pressure and Mean Kinetic Energy
- Some Elementary Deductions from Kinetic Theory of Gases
- Boyle’s law
- Charles’ law
- Avogadro’s law
- Root Mean Square (RMS) Speed
- Impact of vrms in nature:
1. Moon has no atmosphere
2. No hydrogen in Earth’s atmosphere
- Impact of vrms in nature:
- Mean (or) Average Speed
- Most Probable Speed (Vmp)
- Comparison of vrms, `barv`, and vmp
- Maxwell-Boltzmann Speed 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
- Law of Equipartiton of Energy
- Application of law of equipartition energy in specific heat of a gas
- Mean Free Path
- Free path
- Mean free path
- Brownian Motion
10 Oscillations
- Oscillations
- 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
- Angular Simple Harmonic Motion
- Time period and frequency of angular SHM
- Comparison of Simple Harmonic Motion and Angular Simple Harmonic Motion
- Linear Simple Harmonic Oscillator
- Horizontal oscillations of a spring-mass system
- Vertical oscillations of a spring
- Combinations of springs
- 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
- Types of Oscillations
- Free oscillations
- Damped oscillations
- Maintained oscillations
- Forced oscillations
- Resonance
11 Waves
- Introduction to Waves
- Ripples and wave formation on the water surface
- Formation of waves on stretched string
- Formation of waves in a tuning fork
- Characteristics of wave motion
- Mechanical wave motion and its types
- Transverse wave motion
- Longitudinal wave motion
- Terms and Definitions Used in Wave Motion
- Velocity of Waves in Different Media
- Velocity of transverse waves in a stretched string
- Velocity of longitudinal waves in an elastic medium
- Propagation of Sound Waves
- Newton’s formula for speed of sound waves in air
- Laplace’s correction
- Factors affecting speed of sound in gases
- Reflection of Sound Waves
- Definition: Reflection of Sound Waves
- Progressive Wave Or Travelling Waves
- Characteristics of progressive waves
- Equation of a plane progressive wave
- Graphical representation of the wave
- Particle velocity and wave velocity
- Principle of Superposition of Waves
- Standing Waves
- Explanation of stationary waves
- Characteristics of stationary waves
- Stationary waves in sonometer
- Fundamental frequency and
- Laws of transverse vibrations in stretched strings overtones
- Characteristics of Sound
- Loudness and Intensity
- Definition: Loudness
- Key Points: Loudness and Intensity
- Loudness and Intensity
- Vibration of Air Column
- Resonance air column apparatus
- Doppler Effect
- Origin of Doppler Effect
- Unsafe Listening Habits
