# CBSE Syllabus Class 11 Physics 11th NCERT PCM XI PCB Practical Syllabus Phy Pdf Download 2020 -2021

Besides, the syllabus also attempts to Strengthen the concepts developed at the secondary stage to provide firm foundation for further learning in the subject. Expose the learners to different processes used in Physics-related industrial and technological applications. Develop process-skills and experimental, observational, manipulative, decision making and investigatory skills in the learners. Promote problem solving abilities and creative thinking in learners. Reducing the curriculum load by eliminating overlapping of concepts/content within the discipline and other disciplines.Promotion of process-skills, problem-solving abilities and applications of Physics concepts.

## Download CBSE Syllabus for Class 11 Physics 2020-21 Latest and Updated Marking Scheme

### For Updated and Complete Syllabus with Practical Marking Always Download Pdf File ## Unit I: Physical World and Measurement 10 Periods

### Chapter–1: Physical World

Physics-scope and excitement; nature of physical laws; Physics, technology and society.

### Chapter–2: Units and Measurements

Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement; significant figures. Dimensions of physical quantities, dimensional analysis and its applications.

## Unit II: Kinematics 24 Periods

### Chapter–3: Motion in a Straight

Line Frame of reference, Motion in a straight line: Position-time graph, speed and velocity. Elementary concepts of differentiation and integration for describing motion, uniform and non- uniform motion, average speed 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, relative velocity, 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 accelerationprojectile motion, uniform circular motion.

## Unit III: Laws of Motion 14 Periods

### Chapter–5: Laws of Motion

Intuitive concept of force, Inertia, Newtons first law of motion; momentum and Newtons second law of motion; impulse; Newtons 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 12 Periods

### Chapter–6: Work, Engery and Power

Work done by a constant force and a variable force; kinetic energy, workenergy theorem, power. Notion of potential energy, potential energy of a spring, conservative forces: conservation of mechanical energy (kinetic and potential energies); nonconservative 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 18 Periods

### 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). Statement of parallel and perpendicular axes theorems and their applications.

## Unit VI: Gravitation 12 Periods

### Chapter–8: Gravitation

Keplers 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, Geo-stationary satellites.

## Unit VII: Properties of Bulk Matter 24 Periods

### Chapter–9: Mechanical Properties of Solids

Elastic behaviour, Stress-strain relationship, Hookes law, Youngs modulus, bulk modulus, shear modulus of rigidity, Poissons ratio; elastic energy.

### Chapter–10: Mechanical Properties of Fluids

Pressure due to a fluid column; Pascals 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, Bernoullis theorem and its 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, Weins displacement Law, Stefans law, Greenhouse effect.

## Unit VIII: Thermodynamics 12 Periods

### Chapter–12: Thermodynamics

Thermal equilibrium and definition of temperature (zeroth law of thermodynamics), heat, work and internal energy. First law of thermodynamics, isothermal and adiabatic processes. Second law of thermodynamics: reversible and irreversible processes, Heat engine and refrigerator.

## Unit IX: Behaviour of Perfect Gases and Kinetic Theory of Gases 08 Periods

### 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, Avogadros number.

## Unit X: Oscillations and Waves 26 Periods

### Chapter–14: Oscillations

Periodic motion - time period, frequency, displacement as a function of time, periodic functions. Simple harmonic motion (S.H.M) and its equation; 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. Free, forced and damped oscillations (qualitative ideas only), resonance.

### 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, Doppler effect. ## Cbse syllabus class 11 physics, class 11th physics syllabus, cbse 11 physics syllabus, ncert syllabus for class 11 physics, class 11th pcm syllabus, class 11th physics syllabus ncert, phy 11 syllabus, cbse class 11 physics syllabus pdf download, cbse class 11 physics practical syllabus, cbse class xi physics syllabus, cbse syllabus for class 11 physics pdf, physics cbse class 11 syllabus, 11th physics syllabus cbse, cbse xi physics syllabus, 11th class cbse physics syllabus

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