PhysEduc: NCERT Physics you can see, touch and play with

Free NCERT Physics lessons for Class 11 and 12: narrated 3D animated videos, interactive simulations and quick quizzes for every topic, following the textbook section by section.

Class 11 Physics

Chapter 1: Units and Measurement

• Physical quantities and SI units §1.1–1.2
• Significant figures §1.3
• Dimensions of physical quantities §1.4–1.5
• Dimensional analysis §1.6

Chapter 2: Motion in a Straight Line

• Instantaneous velocity and speed §2.1–2.2
• Acceleration §2.3
• Equations of uniformly accelerated motion §2.4
• Relative velocity §2.5

Chapter 3: Motion in a Plane

• Scalars and vectors §3.2–3.3
• Adding and subtracting vectors §3.4, 3.6
• Resolving a vector §3.5
• Motion in a plane §3.7–3.8
• Projectile motion §3.9
• Uniform circular motion §3.10

Chapter 4: Laws of Motion

• Inertia and the first law §4.1–4.4
• The second law, momentum and impulse §4.5
• The third law and conservation of momentum §4.6–4.7
• Equilibrium and free-body diagrams §4.8, 4.11
• Friction §4.9
• Cars on level and banked roads §4.10

Chapter 5: Work, Energy and Power

• Work §5.1–5.3
• Kinetic energy and the work-energy theorem §5.2, 5.4–5.6
• Potential energy and its conservation §5.7–5.8
• Potential energy of a spring §5.9
• Power §5.10
• Collisions §5.11

Chapter 6: System of Particles and Rotational Motion

• Centre of mass §6.1–6.4
• Vector product §6.5
• Angular velocity and rotational kinematics §6.6, 6.10
• Torque and angular momentum §6.7
• Equilibrium of a rigid body §6.8
• Moment of inertia §6.9
• Rotational dynamics and angular momentum §6.11–6.12

Chapter 7: Gravitation

• Kepler’s laws §7.1–7.2
• The universal law of gravitation §7.3–7.4
• Acceleration due to gravity §7.5–7.6
• Gravitational potential energy §7.7
• Escape speed §7.8
• Satellites and their energy §7.9–7.10

Chapter 8: Mechanical Properties of Solids

• Stress and strain §8.1–8.2
• Hooke’s law and the stress-strain curve §8.3–8.4
• Young’s modulus §8.5.1–8.5.2
• Shear modulus and bulk modulus §8.5.3–8.5.4
• Applications of elastic behaviour §8.6

Chapter 9: Mechanical Properties of Fluids

• Pressure and its variation with depth §9.1–9.2.2
• Atmospheric and gauge pressure §9.2.3
• Pascal’s law and hydraulic machines §9.2.1, 9.2.4
• Streamline flow and continuity §9.3
• Bernoulli’s principle §9.4
• Viscosity and Stokes’ law §9.5
• Surface tension and surface energy §9.6.1–9.6.2
• Angle of contact, drops and capillary rise §9.6.3–9.6.5

Chapter 10: Thermal Properties of Matter

• Temperature and its measurement §10.1–10.4
• Thermal expansion §10.5
• Specific heat capacity and calorimetry §10.6–10.7
• Change of state and latent heat §10.8
• Conduction, convection and radiation §10.9
• Newton’s law of cooling §10.10

Chapter 11: Thermodynamics

• Thermal equilibrium and the zeroth law §11.1–11.3
• Heat, work and the first law §11.4–11.5
• Specific heats and state variables §11.6–11.7
• Thermodynamic processes §11.8
• The second law and reversibility §11.9–11.10
• The Carnot engine §11.11

Chapter 12: Kinetic Theory

• Molecules and the behaviour of gases §12.1–12.3
• Pressure of an ideal gas §12.4
• Equipartition of energy and specific heats §12.5–12.6
• Mean free path §12.7

Chapter 13: Oscillations

• Periodic and oscillatory motion §13.1–13.2
• Simple harmonic motion §13.3–13.4
• Velocity and acceleration in SHM §13.5
• The force law for SHM §13.6
• Energy in SHM §13.7
• The simple pendulum §13.8

Chapter 14: Waves

• Transverse and longitudinal waves §14.1–14.2
• The equation of a travelling wave §14.3
• Speed of a travelling wave §14.4
• The principle of superposition §14.5
• Reflection and standing waves §14.6
• Beats §14.7

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