Physics Syllabus-Wise Notes (Class 11)

UNIT I: Physical World and Measurement

UNIT II: Kinematics

  • Frame of reference
  • Motion in a straight line
  • Position-time graph
  • Speed and velocity
  • Uniform and non-uniform motion
  • Average speed and instantaneous velocity
  • Uniformly accelerated motion, velocity-time and position-time graphs, for uniformly accelerated motion (graphical treatment)
  • Elementary concepts of differentiation and integration for describing motion.
  • Scalar and vector quantities:
  • Position and displacement vectors,
  • General vectors,
  • General vectors and notation,
  • Equality of vectors,
  • Multiplication of vectors by a real number;
  • Addition and subtraction of vectors.
  • Relative velocity.
  • Unit vectors.
  • Resolution of a vector in a plane-rectangular components.
  • Scalar and Vector products of Vectors.
  • Motion in a plane.
  • Cases of uniform velocity and uniform acceleration- projectile motion.
  • Uniform circular motion.

UNIT III: Laws of Motion

  • Intuitive concept of force.
  • Inertia,
  • Newton’s first law of motion;
  • Momentum
  • 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 level circular road, vehicle on banked road).

UNIT IV: Work, Energy and Power

  • Work done by a constant force and 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

  • 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 uniform rod.
  • Moment of a force,
  • Torque, angular momentum,
  • Conservation of angular momentum with some examples.
  • Equilibrium of rigid bodies,
  • Rigid body rotation and equation of rotational motion,
  • Comparison of linear and rotational motions;
  • Moment of inertia,
  • Radius of gyration.
  • Values of M.I. for simple geometrical objects (no derivation).
  • Statement of parallel and perpendicular axes theorems and their applications.

UNIT VI: Gravitation

  • Kepler’s laws of planetary motion.
  • The universal law of gravitation.
  • Acceleration due to gravity and its variation with altitude and depth.
  • Gravitational potential energy; gravitational potential.
  • Escape velocity,
  • Orbital velocity of a satellite.
  • Geostationary satellites.

UNIT VII: Properties of Bulk Matter

  • Elastic behavior,
  • Stress-strain relationship.
  • Hooke’s law,
  • Young’s modulus,
  • Bulk modulus,
  • Shear,
  • Modulus of rigidity,
  • Poisson’s ratio;
  • Elastic energy.
  • Viscosity,
  • Stokes’ law,
  • Terminal velocity,
  • Reynold’s number,
  • Streamline andcturbulent flow.
  • Critical velocity,
  • Bernoulli’s theorem and its applications.
  • Surface energy and surface tension,
  • Angle of contact,
  • Excess of pressure,
  • Application of surface tension ideas to drops, bubbles and capillary rise.
  • Heat, temperature, thermal expansion;
  • Thermal expansion of solids, liquids, and gases.
  • Anomalous expansion.
  • Specific heat capacity: Cp, Cv-
  • Calorimetry;
  • Change of state – latent heat.
  • Heat transfer- conduction and thermal conductivity,
  • Convection and radiation.
  • Qualitative ideas of Black Body Radiation,
  • Wein’s displacement law, and Green House effect.
  • Newton’s law of cooling and Stefan’s law.

UNIT VIII: Thermodynamics

  • Thermal equilibrium
  • Definition of temperature (zeroth law of Thermodynamics).
  • Heat, work and internal energy.
  • First law of thermodynamics.
  • Isothermal and adiabatic processes.
  • Second law of the thermodynamics:
  • Reversible and irreversible processes.
  • Heat engines and refrigerators.

UNIT IX: Behaviour of Perfect Gas and Kinetic Theory

  • Equation of state of a perfect gas,
  • Work done on compressing a gas.
  • Kinetic theory of gases:
  • Assumptions, concept of pressure.
  • Kinetic energy and temperature;
  • Degrees of freedom,
  • Law of equipartition of energy (statement only)
  • Application to specific heat capacities of gases;
  • Concept of mean free path.

UNIT X: Oscillations and Waves

  • Periodic motion-
  • Period, frequency, displacement as a function of time.
  • Periodic functions.
  • Simple harmonic motion(SHM) and its equation;
  • Phase;
  • Oscillations of a spring-restoring force and force constant;
  • Energy in SHM –Kinetic and potential energies;
  • Simple pendulum-derivation of expression for its time period;
  • Free, forced and damped oscillations (qualitative ideas only),
  • Resonance.
  • Wave motion.
  • Longitudinal and transverse 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.