# CBSE Syllabus for CBSE Class 11 Physics

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## CBSE Class 11 Physics Syllabus

CBSE has issued Class 11 Physics Syllabus. The syllabus is very much similar to syllabus of previous years. This syllabus is applicable for all CBSE affiliated government and private schools.

Main topics in the physics syllabus are Newton Physics and Thermodynamics. These topics cover 70% of the syllabus.

CBSE Class 11 Syllabus of All Subjects

### CBSE 11th Physics Course Structure

 Unit Chapter / Topic Marks I Electrostatics 15 Chapter-1: Electric Charges and Fields Chapter-2: Electrostatic Potential and Capacitance II Current Electricity Chapter-3: Current Electricity III Magnetic Effect of Current & Magnetism 16 Chapter-4: Moving Charges and Magnetism Chapter-5: Magnetism and Matter IV Electromagnetic Induction & Alternating Current Chapter-6: Electromagnetic Induction Chapter-7: Alternating Current V Electromagnetic Waves 17 Chapter-8: Electromagnetic Waves VI Optics Chapter-9: Ray Optics and Optical Instruments Chapter-10: Wave Optics VII Dual Nature of Matter 10 Chapter-11: Dual Nature of Radiation and Matter VIII Atoms & Nuclei Chapter-12: Atoms Chapter-13: Nuclei IX Electronic Devices 12 Chapter-14:  Semiconductor  Electronics X Communication Systems Chapter-15: Communication Systems Total 70 Unit I: Physical World and Measurement
Chapter–1: Physical World
Physics – nature of physical laws; Physics, technology and society; scope and excitement.
Chapter–2: Units and Measurements
Need for measurement: systems of units; SI units, fundamental and derived units; Units of measurement. Length, mass and time measurements;  errors in measurement; significant figures; accuracy and precision of measuring instruments.
Dimensions of physical quantities, dimensional analysis and its applications.

Unit II: Kinematics
Chapter–3: Motion in a Straight Line
Elementary concepts of differentiation and integration for describing motion. Uniformly accelerated motion, velocity time and position-time graphs. Uniform and non-uniform motion, average speed and instantaneous velocity.
Relations for uniformly accelerated motion (graphical treatment).
Frame of reference, Motion in a straight line: Position-time graph, speed and velocity.

Chapter–4: Motion in a Plane
Position and displacement vectors, general vectors and their notations; equality of vectors, multiplication of vectors by a real number; Scalar and vector quantities; addition and subtraction of vectors.  Unit vector; Resolution of a vector in a plane – rectangular components. Scalar and Vector product of vectors. Relative velocity.
Uniform circular motion. Motion in a plane, cases of uniform velocity and uniform acceleration-projectile motion.

Unit III: Laws of Motion
Chapter–5: Laws of Motion
Law of conservation of linear momentum and its applications.
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.
Dynamics of uniform circular motion: Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on banked road).
Equilibrium of concurrent forces. Static and kinetic friction, laws of friction, rolling friction, lubrication.

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: conservation of mechanical energy (kinetic and potential energies); 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, laws 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
Chapter–8: 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.
Keplar’s laws of planetary motion.The universal law of gravitation.

Unit VII: Properties of Bulk Matter
Chapter–9: Mechanical Properties of Solids
Stress-strain relationship, Hooke’s law, Elastic behaviour, Young’s modulus, bulk modulus, shear modulus of rigidity; elastic energy, Poisson’s ratio.
Chapter–10: Mechanical Properties of Fluids
Pascal’s law and its applications (hydraulic lift and hydraulic brakes). Pressure due to a fluid column. Effect of gravity on fluid pressure.
Viscosity, Stokes’ law, critical velocity, terminal velocity, streamline and turbulent flow. Bernoulli’s 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 transfer-conduction, convection and radiation, thermal conductivity, Qualitative ideas of Blackbody radiation, Wein’s displacement Law, Stefan’s law, Green house effect.
Thermal expansion, Heat, temperature; thermal expansion of solids, liquids and gases. Anomalous expansion of water; specific heat capacity; Cp, Cv – calorimetry; change of state – latent heat capacity.

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. 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
Chapter–13: Kinetic Theory
Kinetic theory of gases – assumptions, concept of pressure. Rms speed of gas molecules; degrees of freedom, law of equi-partition of energy (statement only) and application to specific heat capacities of gases. Kinetic interpretation of temperature; concept of mean free path, Avogadro’s number.
Equation of state of a perfect gas, work done in compressing a gas.

Unit X: Oscillations and Waves
Chapter–14: Oscillations
Simple harmonic motion (S.H.M) and its equation; phase; oscillations of a spring-restoring force and force constant; energy in S.H.M. Kinetic and potential energies; simple pendulum derivation of expression for its time period.
Periodic motion – time period, frequency, displacement as a function of time. Periodic functions.
Free, forced and damped oscillations (qualitative ideas only), resonance.
Chapter–15: Waves
Wave motion. Transverse and longitudinal waves, speed of wave motion. 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 11th Physics Practical Course Structure

#### Evaluation Scheme and List of experiments for 11th Physics Practical Exam

The record to be submitted by the students at the time of their annual examination has to include:
* Record of at least 5 Activities with a minimum of 2 each from section A and section B, to be demonstrated by the teachers.
* Record of at least 15 Experiments with a minimum of 6 from each section], to be performed by the students.
* The Report of the project to be carried out by the students.

Time Allocated – 3 hours.  Max Marks – 30

 Two experiments one from each section 8 + 8 Marks Practical record [experiments and activities] 6 Marks Investigatory Project 3 Marks Viva on experiments, activities and projects 5 Marks Total 30 Marks

#### List of Experiments: Section A for 11th Physics Practical Exam

1. To measure diameter of a small spherical/cylindrical body and to measure internal diameter and depth of a given beaker/calorimeter using Vernier Callipers and hence find its volume.
2. To measure diameter of a given wire and thickness of a given sheet using screw gauge.
3. To determine volume of an irregular lamina using screw gauge.
4. To determine radius of curvature of a given spherical surface by a spherometer.
5. To determine the mass of two different objects using a beam balance.
6. To find the weight of a given body using parallelogram law of vectors.
7. Using a simple pendulum, plot its L-T2 graph and use it to find the effective Length of second’s pendulum.
8. To study variation of time period of a simple pendulum of a given length by taking bobs of same size but different masses and interpret the result.
9. To study the relationship between force of Limiting friction and normal reaction and to find the coefficient of friction between a block and a horizontal surface.
10. To find the downward force, along an inclined plane, acting on a roller due to gravitational pull of the earth and study its relationship with the angle of inclination θ by plotting graph between force and sinθ.

Activities (for the purpose of demonstration only)
1. To make a paper scale of given least count, e.g., 0.2cm, 0.5 cm.
2. To determine mass of a given body using a metre scale by principle of moments.
3. To plot a graph for a given set of data, with proper choice of scales and error bars.
4. To measure the force of limiting friction for rolling of a roller on a horizontal plane.
5. To study the variation in range of a projectile with angle of projection.
6. To study the conservation of energy of a ball rolling down on an inclined plane (using a double inclined plane).
7. To study dissipation of energy of a simple pendulum by plotting a graph between square of amplitude and time.

#### List of Experiments: Section B for 11th Physics Practical Exam

1. To determine Young’s modulus of elasticity of the material of a given wire.
2. To find the force constant of a helical spring by plotting a graph between load and extension.
3. To study the variation in volume with pressure for a sample of air at constant temperature by plotting graphs between P and V, and between P and 1/V.
4. To determine the surface tension of water by capillary rise method.
5. To determine the coefficient of viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body.
6. To study the relationship between the temperature of a hot body and time by plotting a cooling curve.
7. To determine specific heat capacity of a given solid by method of mixtures.
8. To study the relation between frequency and length of a given wire under constant tension using sonometer.
9. To study the relation between the Length of a given wire and tension for constant frequency using sonometer.
10. To find the speed of sound in air at room temperature using a resonance tube by two resonance positions.

Activities (For the purpose of demonstration only)
1. To observe change of state and plot a cooling curve for molten wax.
2. To observe and explain the effect of heating on a bi-metallic strip.
3. To note the change in level of liquid in a container on heating and interpret the observations.
4. To study the effect of detergent on surface tension of water by observing capillary rise.
5. To study the factors affecting the rate of loss of heat of a Liquid.
6. To study the effect of load on depression of a suitably clamped meter scale loaded at (i) its end (ii) in the middle.
7. To observe the decrease in pressure with increase in velocity of a fluid.

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