CBSE Syllabus of Class 11th PHYSICS 2022-2023:

In class 11 CBSE, students will study the basics of physics, including mechanics, thermodynamics, waves, and optics. The class will begin with an introduction to units and measurements, including the International System of Units (SI). This will be followed by kinematics, which deals with the motion of objects and their properties, such as displacement, velocity, and acceleration.

No	Name	No. of Periods	Marks
Unit–I	Physical World and Measurement	08	23
	Chapter–2: Units and Measurements
Unit-II	Kinematics	24
	Chapter–3: Motion in a Straight Line
	Chapter–4: Motion in a Plane
Unit–III	Laws of Motion	14
	Chapter–5: Laws of Motion
Unit–IV	Work, Energy and Power	14	17
	Chapter–6: Work, Energy and Power
Unit–V	Motion of System of Particles and Rigid Body	18
	Chapter–7: System of Particles and Rotational Motion
Unit-VI	Gravitation	12
	Chapter–8: Gravitation
Unit–VII	Properties of Bulk Matter	24	20
	Chapter–9: Mechanical Properties of Solids
	Chapter–10: Mechanical Properties of Fluids
	Chapter–11: Thermal Properties of Matter
Unit–VIII	Thermodynamics	12
	Chapter–12: Thermodynamics
Unit–IX	Behaviour of Perfect Gases and Kinetic Theory of Gases	08
	Chapter–13: Kinetic Theory
Unit–X	Oscillations and Waves	26	10
	Chapter–14: Oscillations
	Chapter–15: Waves
Total		160	70

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Unit I:  Physical World and Measurement    

Chapter–2: Units and Measurements Need for measurement:

Units of measurement; systems of units; SI units, fundamental and derived units. significant figures. Dimensions of physical quantities, dimensional analysis and its applications.  

Unit II: Kinematics     

Chapter–3: Motion in a Straight Line  

Frame of reference, Motion in a straight line, Elementary concepts of differentiation and integration for describing motion, uniform and non- uniform motion, and instantaneous velocity, uniformly accelerated motion, velocity - time and position-time graphs. Relations for uniformly accelerated motion (graphical treatment).    

Chapter–4: Motion in a Plane  

Scalar and vector quantities; position and displacement vectors, general vectors and their notations; equality of vectors, multiplication of vectors by a real number; addition and subtraction of vectors, Unit vector; resolution of a vector in a plane, rectangular components, Scalar and Vector product of vectors. Motion in a plane, cases of uniform velocity and uniform acceleration- projectile motion, uniform circular motion.  

Unit III: Laws of Motion         

Chapter–5: Laws of Motion  

Intuitive concept of force, Inertia, Newton's first law of motion; momentum and Newton's second law of motion; impulse; Newton's third law of motion. Law of conservation of linear momentum and its applications.   Equilibrium of concurrent forces, Static and kinetic friction, laws of friction, rolling friction, lubrication. Dynamics of uniform circular motion: Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on a banked road).

Unit IV: Work, Energy and Power                

Chapter–6: Work, Energy and Power  

Work done by a constant force and a variable force; kinetic energy, work- energy theorem, power. Notion of potential energy, potential energy of a spring, conservative forces: non- conservative forces, motion in a vertical circle; elastic and inelastic collisions in one and two dimensions.

Unit V:Motion of System of Particles and Rigid Body

Chapter–7: System of Particles and Rotational Motion

Centre of mass of a two-particle system, momentum conservation and Centre of mass motion. Centre of mass of a rigid body; centre of mass of a uniform rod. Moment of a force, torque, angular momentum, law of conservation of angular momentum and its applications. Equilibrium of rigid bodies, rigid body rotation and equations of rotational motion, comparison of linear and rotational motions. Moment of inertia, radius of gyration, values of moments of inertia for simple geometrical objects (no derivation).  

Unit VI: Gravitation                

Chapter–8: Gravitation  

Kepler's laws of planetary motion, universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth. Gravitational potential energy and gravitational potential, escape velocity, orbital velocity of a satellite.  

Unit VII: Properties of Bulk Matter 

Chapter–9: Mechanical Properties of Solids

Elasticity, Stress-strain relationship, Hooke's law, Young’s modulus, bulk modulus, shear modulus of rigidity (qualitative idea only), Poisson's ratio; elastic energy.  

Chapter–10: Mechanical Properties of Fluids  

Pressure due to a fluid column; Pascal's law and its applications (hydraulic lift and hydraulic brakes), effect of gravity on fluid pressure. Viscosity, Stokes' law, terminal velocity, streamline and turbulent flow, critical velocity, Bernoulli's theorem and its simple applications. Surface energy and surface tension, angle of contact, excess of pressure across a curved surface, application of surface tension ideas to drops, bubbles and capillary rise.  

Chapter–11: Thermal Properties of Matter  

Heat, temperature, thermal expansion; thermal expansion of solids, liquids and gases, anomalous expansion of water; specific heat capacity; Cp, Cv - calorimetry; change of state - latent heat capacity.   Heat transfer-conduction, convection and radiation, thermal conductivity, qualitative ideas of Blackbody radiation, Wein's displacement Law, Stefan's law .  

Unit VIII: Thermodynamics                                                          

Chapter–12: Thermodynamics  

Thermal equilibrium and definition of temperature zeroth law of thermodynamics, heat, work and internal energy. First law of thermodynamics, Second law of thermodynamics: gaseous state of matter, change of condition of gaseous state -isothermal, adiabatic, reversible, irreversible, and cyclic processes.

Unit IX :Behavior of Perfect Gases and Kinetic Theory of Gases                                                                                        

 Chapter–13: Kinetic Theory

Equation of state of a perfect gas, work done in compressing a gas.   Kinetic theory of gases - assumptions, concept of pressure. Kinetic interpretation of temperature; rms speed of gas molecules; degrees of freedom, law of equi-partition of energy (statement only) and application to specific heat capacities of gases; concept of mean free path, Avogadro's number.

Unit X: Oscillations and Waves                     

Chapter–14: Oscillations

Periodic motion - time period, frequency, displacement as a function of time, periodic functions and their application. Simple harmonic motion (S.H.M) and its equations of motion; phase; oscillations of a loaded spring- restoring force and force constant; energy in S.H.M.      Kinetic and potential energies; simple pendulum derivation of expression for its time period.

Chapter–15: Waves  

Wave motion: Transverse and longitudinal waves, speed of travelling wave, displacement relation for a progressive wave, principle of superposition of waves, reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats.

Conclusions

For specific conclusions related to your Class 11 Physics exams, I would recommend referring to your textbook, syllabus, and consulting with your teachers or classmates who have taken the exam recently. They can provide you with more up-to-date information and guidance based on their experience with the specific curriculum and examination pattern.

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