Chapter 1: Kinematics
A full Chapter 1 path covering displacement, velocity, acceleration, graph interpretation, projectile motion, and the first model of fluid resistance.
6 sections
120 minutes estimated
Physics HL online textbook
Higher Level path with deep conceptual notes and simulation-backed chapter walkthroughs.
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Chapter 2: Forces and Newton's Laws
Develop force literacy from free-body diagrams to Newton's laws, then apply net-force reasoning to friction and circular motion.
6 sections
165 minutes estimated
Chapter 3: Work, Energy and Power
Develop the language of energy transfer, move from force-based work to conservation reasoning, and quantify power and efficiency in realistic systems.
6 sections
140 minutes estimated
Chapter 4: Linear Momentum
Build momentum thinking from Newton's second law, connect force-time area to impulse, and use conservation methods to solve one- and two-dimensional collisions.
6 sections
155 minutes estimated
Chapter 5: Rigid Body Mechanics
Build rotational thinking from angular kinematics to torque balance, rotational dynamics, rolling motion, and angular momentum conservation.
6 sections
136 minutes estimated
Chapter 6: Relativity
Build special relativity from reference frames and Einstein's postulates, then apply Lorentz transformations, time dilation, length contraction, velocity addition, and spacetime diagrams to interpret real measurements.
6 sections
125 minutes estimated
Chapter 7: Thermal Energy Transfers
Build thermal physics from particle models to calorimetry and phase change, then apply conduction, convection, and radiation laws including Stefan-Boltzmann and Wien scaling.
7 sections
148 minutes estimated
Chapter 8: The Greenhouse Effect
Model climate-relevant radiation physics from emissivity and albedo through planetary energy balance, then build the greenhouse mechanism with atmospheric absorption, reradiation, and feedback reasoning.
6 sections
156 minutes estimated
Chapter 9: The Gas Laws
Build gas-law fluency from mole counting and pressure origins to $PV = nRT$, Boltzmann scaling, and the limits of ideal-gas assumptions.
7 sections
165 minutes estimated
Chapter 10: Thermodynamics
Apply conservation of energy to thermal systems, then extend to entropy, the second law, and heat-engine limits including Carnot efficiency.
7 sections
182 minutes estimated
Chapter 11: Current and Circuits
Build full circuit fluency from potential difference and resistance to power, emf, internal resistance, network reduction, and potential-divider design.
6 sections
176 minutes estimated
Chapter 12: Simple Harmonic Motion
Build SHM from restoring-force conditions to sinusoidal equations, phase logic, and full energy analysis in spring-mass and pendulum contexts.
6 sections
163 minutes estimated
Chapter 13: The Wave Model
Build wave fluency from mechanical pulses to electromagnetic and gravitational waves, with strong graph interpretation and wave-equation problem solving.
6 sections
164 minutes estimated
Chapter 14: Wave Phenomena
Master reflection, refraction, superposition, diffraction, and interference from wavefront geometry to slit and grating equations.
7 sections
196 minutes estimated
Chapter 15: Standing Waves and Resonance
Build standing-wave and resonance fluency from superposition and boundary conditions to harmonic frequencies, pipe modes, damping, and driven response.
6 sections
188 minutes estimated
Chapter 16: The Doppler Effect
Build full Doppler-effect fluency from wavefront geometry and low-speed light shifts to sound formulas for moving sources, moving observers, and reflected-wave measurements.
6 sections
180 minutes estimated
Chapter 17: Gravitation
Develop full gravitation fluency from Newton's inverse-square force law and field mapping to Kepler-style orbit reasoning, potential-energy methods, escape-speed analysis, and orbital decay under drag.
6 sections
190 minutes estimated
Chapter 18: Electric and Magnetic Fields
Build one coherent electromagnetic model from charge conservation and Coulomb force to magnetic-field direction rules, Lorentz forces, electric potential, and equipotential-field geometry.
7 sections
210 minutes estimated
Chapter 19: Motion in Electric and Magnetic Fields
Develop full charged-particle trajectory fluency in uniform electric fields, uniform magnetic fields, and crossed fields, then connect those models to q/m measurements, velocity selectors, and accelerator beam control.
7 sections
212 minutes estimated
Chapter 20: Electromagnetic Induction
Build full electromagnetic-induction fluency from motional emf and Faraday-Lenz law to RL transients, AC generators, RMS power, and transformer scaling.
8 sections
208 minutes estimated
Chapter 21: Atomic Physics
Build a full Chapter 21 pathway from Rutherford scattering evidence to quantised atomic energy levels, spectral transitions, and the Bohr model's angular-momentum postulate.
7 sections
206 minutes estimated
Chapter 22: Quantum Physics
Build Chapter 22 from photon energy and photoelectric evidence to Compton scattering, matter-wave reasoning, and electron diffraction as direct support for wave-particle duality.
7 sections
214 minutes estimated
Chapter 23: Nuclear Physics
Build Chapter 23 from nuclear notation and mass defect to radioactive decay law, strong-force evidence, and stability-band reasoning with energy-level interpretation.
7 sections
226 minutes estimated
Chapter 24: Nuclear Fission
Develop Chapter 24 from fission energetics and neutron-chain criticality to reactor-core control, fuel-use scaling, and long-horizon waste-safety decisions.
7 sections
242 minutes estimated
Chapter 25: Nuclear Fusion and Stars
Build Chapter 25 from fusion ignition conditions and stellar-core energy pathways to HR-diagram interpretation, mass-dependent stellar evolution, and nucleosynthesis limits.
7 sections
268 minutes estimated