NCERT Syllabus for Class 11 Physics 2020-21

Physical World

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

Units and Measurements

Dimensions of physical quantities, Units of measurement, dimensional analysis, systems of units, and its applications. Length, mass and time measurements; measuring instruments, errors in measurement, etc.

Motion in a Straight Line

Motion in a straight line, speed and velocity. uniform and non- uniform motion, Elementary concepts of differentiation and integration for describing motion, average speed and instantaneous velocity, uniformly accelerated motion, velocity - time and position-time graphs, etc.

Motion in a Plane

Scalar and vector quantities, equality of vectors, multiplication of vectors by a real number; addition and subtraction of vectors, relative velocity, Unit vector, uniform circular motion, Motion in a plane, cases of uniform velocity and uniform acceleration projectile motion, etc.

Laws of Motion

Inertia, Newton's first law of motion; momentum and Newton's second and third law of motion. conservation of linear momentum. impulse; Equilibrium of concurrent forces, Centripetal force, etc.

Work, Energy and Power

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

System of Particles and Rotational Motion

Centre of mass, momentum conservation. Moment of a force, torque, angular momentum, law of conservation of angular momentum and its applications. Equilibrium, Moment of inertia, radius of gyration, values of moments of inertia for simple geometrical objects. Statement of parallel and perpendicular axes theorems and their applications, etc

Gravitation

Acceleration due to gravity and its variation. universal law of gravitation, Gravitational potential energy, Geo-stationary satellites, orbital and escape velocity, Acceleration due to gravity and its variation, Kepler's laws of planetary motion etc.

Mechanical Properties of Solids

Poisson's ratio, bulk modulus, Young's modulus, shear modulus of rigidity, Stress-strain relationship, Elastic behaviour, Hooke's law, etc.

Mechanical Properties of Fluids

Surface energy and tension, application of surface tension, excess of pressure across a curved surface. Viscosity, terminal and critical velocity, Bernoulli's theorem and its applications, Stokes' law, Pascal's law and its applications, effect of gravity, etc.

Thermal Properties of Matter

Heat, temperature, Cp, Cv - calorimetry, change of state - latent heat capacity, specific heat capacity, Heat transfer-conduction, thermal expansion, convection and radiation, thermal conductivity, Stefan's law, Greenhouse effect, Blackbody radiation, Wein's displacement Law, etc.

Thermodynamics

First law of thermodynamics, Heat engine and refrigerator, zeroth law of thermodynamics, isothermal and adiabatic processes, heat, work and internal energy, Second law of thermodynamics, etc.

Kinetic Theory

Kinetic interpretation of temperature, Avogadro's number, degrees of freedom, Kinetic theory of gases, law of equi-partition of energy, RMS speed of gas molecules, etc.

Oscillations and Waves

restoring force and force constant, Periodic and Simple harmonic motion, Free, forced and damped oscillations, simple pendulum derivation of expression, resonance, etc.

Waves

principle of superposition of waves, speed of travelling wave, Wave motion, reflection of waves, Doppler effect, displacement relation for a progressive wave, Beats, etc.