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.

FAQs

Q1: How should I prepare for CBSE Class 11 Physics exams?

A1: To prepare for Class 11 Physics exams, it is crucial to have a good understanding of the concepts and principles. Start by thoroughly studying your textbook and notes, and make sure to practice numerical problems and derivations regularly. Additionally, solve sample papers, previous years' question papers, and take mock tests to familiarize yourself with the exam pattern and improve your time management skills.

Q2: What are the best reference books for CBSE Class 11 Physics?

A2: The NCERT textbook for Class 11 Physics is the primary reference book recommended by CBSE. It covers the entire syllabus and provides a solid foundation. However, if you want additional reference material, you can consider books authored by HC Verma, DC Pandey, or P. N. Rai. These books are popular among students and provide a deeper insight into the subject.

Q3: Are practical's important in CBSE Class 11 Physics?

A3: Yes, practicals are an integral part of the CBSE Class 11 Physics curriculum. They help you develop practical skills, experimental techniques, and enhance your understanding of theoretical concepts through hands-on experience. Practical examinations also contribute to your overall marks, so it is important to perform well in them.

Q4: How should I approach numerical problems in CBSE Class 11 Physics?

A4: Numerical problems in Class 11 Physics require a combination of conceptual understanding and mathematical skills. Start by identifying the given quantities, understand the problem statement, and visualize the situation. Then, apply the appropriate formulas and equations to solve the problem step by step. Pay attention to units and significant figures in your calculations.

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