🧲 Class 11 Physics

Complete chapter-wise notes following NCERT physics curriculum with derivations and formulas

Chapter 1: Units and Measurements

Understanding physical quantities, SI units, and error analysis.

Key Topics:

  • SI Units
  • Dimensional Analysis
  • Errors in Measurement
  • Significant Figures
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Chapter 2: Motion in a Straight Line

Kinematics of 1D motion, position-time graphs, and equations of motion.

Key Topics:

  • Position, path length and displacement
  • Average velocity and average speed
  • Instantaneous velocity and speed
  • Kinematic equations for uniformly accelerated motion
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Chapter 3: Motion in a Plane

Vectors, projectile motion, and circular motion.

Key Topics:

  • Scalars and Vectors
  • Vector addition and subtraction
  • Projectile Motion
  • Uniform Circular Motion
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Chapter 4: Laws of Motion

Newton's laws, momentum, friction, and dynamics of circular motion.

Key Topics:

  • Newton's First, Second and Third Laws
  • Conservation of Momentum
  • Friction
  • Dynamics of Circular Motion
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Chapter 5: Work, Energy and Power

Work-energy theorem, conservative forces, and collisions.

Key Topics:

  • Work-Energy Theorem
  • Kinetic and Potential Energy
  • Conservation of Mechanical Energy
  • Elastic and Inelastic Collisions
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Chapter 6: System of Particles and Rotational Motion

Center of mass, torque, angular momentum, and moment of inertia.

Key Topics:

  • Centre of Mass
  • Torque and Angular Momentum
  • Moment of Inertia
  • Kinematics of Rotational Motion
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Chapter 7: Gravitation

Kepler's laws, universal law of gravitation, and satellites.

Key Topics:

  • Kepler's Laws
  • Universal Law of Gravitation
  • Acceleration due to Gravity
  • Escape Velocity and Earth Satellites
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Chapter 8: Mechanical Properties of Solids

Elasticity, stress, strain, and Hooke's law.

Key Topics:

  • Elastic behavior of solids
  • Stress and Strain
  • Hooke's Law
  • Young's Modulus
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Chapter 9: Mechanical Properties of Fluids

Pressure, buoyancy, Bernoulli's principle, and surface tension.

Key Topics:

  • Pressure and Pascal's Law
  • Archimedes' Principle
  • Bernoulli's Principle
  • Surface Tension and Viscosity
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Chapter 10: Thermal Properties of Matter

Temperature, heat, specific heat capacity, and heat transfer.

Key Topics:

  • Temperature and Heat
  • Thermal Expansion
  • Specific Heat Capacity
  • Conduction, Convection and Radiation
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Chapter 11: Thermodynamics

Laws of thermodynamics, heat engines, and refrigerators.

Key Topics:

  • Zeroth and First Law of Thermodynamics
  • Specific Heat Capacity of Gases
  • Isothermal and Adiabatic Processes
  • Second Law of Thermodynamics
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Chapter 12: Kinetic Theory

Behavior of gases, ideal gas equation, and degrees of freedom.

Key Topics:

  • Equation of State of a Perfect Gas
  • Kinetic Theory of an Ideal Gas
  • Law of Equipartition of Energy
  • Mean Free Path
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Chapter 13: Oscillations

Simple harmonic motion, pendulums, and resonance.

Key Topics:

  • Periodic and Oscillatory Motions
  • Simple Harmonic Motion (SHM)
  • Energy in SHM
  • Damped and Forced Oscillations
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Chapter 14: Waves

Transverse and longitudinal waves, speed of wave, and Doppler effect.

Key Topics:

  • Transverse and Longitudinal Waves
  • Displacement Relation in a Progressive Wave
  • Principle of Superposition of Waves
  • Beats and Doppler Effect
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