CBSE Class 11 Physics Syllabus 2025-26

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Categories CBSE Syllabus 2025 - 2026
Date 27/09/2025

Chapter-wise syllabus for CBSE Class 11 Physics (2025-26, subject code 042) based on the official CBSE/NCERT curriculum:

CBSE Class 11 Physics Syllabus 2025-26

Unit	Chapter No. / Title	Key Topics / Sub-topics
Unit I: Physical World & Measurement	Chapter 1: Units and Measurements	• Need for measurement; units of measurement; systems of units; SI units (fundamental & derived) • Significant figures; determining uncertainty in result • Dimensions of physical quantities; dimensional analysis and its applications
Unit II: Kinematics	Chapter 2: Motion in a Straight Line	• Frame of reference • Motion in a straight line (uniform & nonuniform) • Elementary concepts of differentiation & integration in describing motion • Average speed & velocity; instantaneous velocity • Uniformly accelerated motion; velocity–time and position–time graphs • Relations for uniformly accelerated motion (graphical & calculus approach)
	Chapter 3: Motion in a Plane	• Scalar & vector quantities; position & displacement vectors • Equality of vectors; multiplication of vectors by real number • Addition/subtraction of vectors; unit vectors • Resolution of vector in plane; rectangular components • Scalar (dot) & vector (cross) products • Motion in a plane: projectile motion • Uniform circular motion
Unit III: Laws of Motion	Chapter 4: Laws of Motion	• Intuitive concept of force and inertia • Newton’s first law • Momentum; Newton’s second law; impulse • Newton’s third law • Conservation of linear momentum and applications • Equilibrium of concurrent forces • Static & kinetic friction; laws of friction; rolling friction; lubrication • Dynamics of uniform circular motion; examples (e.g. vehicle on level/ banked road)
Unit IV: Work, Energy & Power	Chapter 5: Work, Energy and Power	• Work done by constant and variable force • Kinetic energy; work–energy theorem • Power • Potential energy • Potential energy of a spring • Conservative vs non-conservative forces • Motion in a vertical circle • Collisions: elastic & inelastic in one & two dimensions
Unit V: Motion of System of Particles & Rigid Body	Chapter 6: System of Particles & Rotational Motion	• Centre of mass of two-particle system and system of particles • Momentum conservation & centre of mass motion • Centre of mass of rigid body (e.g. uniform rod) • Moment of a force; torque; angular momentum • Conservation of angular momentum and applications • Equilibrium of rigid bodies • Rigid body rotation: equations of rotational motion • Comparison between linear & rotational motion • Moment of inertia; radius of gyration • Moments of inertia for simple shapes (without derivation) • (Statement of) parallel & perpendicular axes theorems (CBSE Academic)
Unit VI: Gravitation	Chapter 7: Gravitation	• Kepler’s laws of planetary motion • Universal law of gravitation • Acceleration due to gravity; variation with altitude & depth • Gravitational potential & potential energy • Escape speed; orbital velocity of satellite • Energy of an orbiting satellite
Unit VII: Properties of Bulk Matter	Chapter 8: Mechanical Properties of Solids	• Elastic behavior; stress-strain relationship • Hooke’s law • Young’s modulus, bulk modulus, shear modulus • Poisson’s ratio; elastic energy • Simple applications
	Chapter 9: Mechanical Properties of Fluids	• Pressure in a fluid; hydrostatic pressure • Pascal’s law & applications (hydraulic lift, brakes) • Effect of gravity on fluid pressure • Viscosity; Stokes’ law; terminal velocity • Streamline & turbulent flow; critical velocity • Bernoulli’s theorem & simple applications (Torricelli’s theorem, dynamic lift) • Surface tension; pressure difference across curved surfaces • Angle of contact; excess pressure in drops, bubbles; capillary rise
	Chapter 10: Thermal Properties of Matter	• Heat, temperature, thermal expansion of solids, liquids, gases • Anomalous expansion of water • Specific heat capacity; Cp, Cv • Calorimetry; latent heat • Heat transfer: conduction, convection, radiation • Thermal conductivity • Qualitative ideas: blackbody radiation, Wein’s displacement law, Stefan-Boltzmann law, (greenhouse effect / Stefan’s law) • Newton’s law of cooling
Unit VIII: Thermodynamics	Chapter 11: Thermodynamics	• Thermal equilibrium; definition of temperature; Zeroth law • Heat, work, internal energy • First law of thermodynamics • Isothermal, adiabatic, cyclic processes • Reversible vs irreversible changes • Second law of thermodynamics • Heat engines & refrigerators
Unit IX: Behaviour of Perfect Gases & Kinetic Theory	Chapter 12: Kinetic Theory	• Equation of state of a perfect gas • Work done in compressing a gas • Kinetic theory: assumptions; pressure • Kinetic interpretation of temperature; rms speed • Degrees of freedom; law of equipartition of energy (statement only) • Applications to specific heats • Mean free path; Avogadro’s number
Unit X: Oscillations & Waves	Chapter 13: Oscillations	• Periodic motion; time period, frequency • Displacement as function of time • Simple Harmonic Motion (SHM); restoring force, force constant • Energy in SHM • Relation to uniform circular motion
	Chapter 14: Waves	• Wave motion; types of waves • Speed, frequency, wavelength relation • Longitudinal & transverse waves • Principle of superposition • Reflection of waves at boundaries • Stationary waves; nodes & antinodes • (Optional depending on scope) Doppler effect

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