CBSE Class 11 Physics Syllabus

• Unit I: Physical World and Measurement
  • 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
  • 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 nonuniform 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 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: 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, 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
  • 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, Geo-stationary satellites.
• Unit VII: Properties of Bulk Matter
  • Chapter–9: Mechanical Properties of Solids
    Elastic behaviour, Stress-strain relationship, Hooke’s law, Young’s modulus, bulk modulus, shear
    modulus of rigidity, 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 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, Green house effect.
• 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
    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: Mechanical Waves and Ray Optics
  • Chapter–14: Oscillations and Waves
    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 springrestoring
    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.
    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.
  • Chapter–15: Ray Optics
    Ray Optics: Reflection of light, spherical mirrors, mirror formula, refraction of light, total
    internal reflection and its applications, optical fibres, refraction at spherical surfaces, lenses, thin lens formula, lensmaker’s formula, magnification, power of a lens, combination of thin lenses in contact, refraction and dispersion of light through a prism.
    Scattering of light – blue colour of sky and reddish apprearance of the sun at sunrise and sunset.
    Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and
    their magnifying powers.

Source and Credits: Syllabus is taken from CBSE website. LearnFatafat is not responsible for any changes in the syllabus. Students are requested to refer cbse.nic.in in case of any changes.

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