The Library · Physics

Physics
Upper Secondary

Grades 9–10 · IGCSE, GCSE, O-Level, CBSE

10 of 67 lectures are ready to read. The rest are listed so you can see where the subject goes; each one switches on as it is finished.

Mechanics

Kinematics4 of 4 ready
  1. 01The SUVAT equations — when to use each one
  2. 02Velocity-time graphs — reading motion
  3. 03Displacement-time graphs — position over time
  4. 04Solving kinematics problems step by step
Projectile Motion3 of 3 ready
  1. 01Projectile motion — horizontal and vertical are independent
  2. 02Range and maximum height of a projectile
  3. 03Projectile launched at an angle — full analysis
Newton's Laws3 of 5 ready
  1. 01Newton's first law — inertia and balanced forces
  2. 02Newton's second law — F equals ma
  3. 03Newton's third law — action and reaction pairs
  4. 04Free body diagrams — drawing all the forcescoming soon
  5. 05Newton's laws problems — pulleys and slopescoming soon
Momentum and Impulse0 of 4 ready
  1. 01What is momentum — mass times velocitycoming soon
  2. 02Conservation of momentum in collisionscoming soon
  3. 03Impulse — force acting over timecoming soon
  4. 04Explosions and recoilcoming soon
Circular Motion0 of 3 ready
  1. 01Why circular motion needs a centripetal forcecoming soon
  2. 02Centripetal acceleration and force — the formulaecoming soon
  3. 03Circular motion examples — cars satellites ridescoming soon
Gravitation0 of 3 ready
  1. 01Newton's law of gravitation — inverse square lawcoming soon
  2. 02Gravitational field strength gcoming soon
  3. 03Satellite orbits — linking gravity to circular motioncoming soon

Energy and Materials

Work Energy and Power0 of 5 ready
  1. 01Work done by a force — F times d times cosθcoming soon
  2. 02Kinetic energy and the work-energy theoremcoming soon
  3. 03Gravitational potential energycoming soon
  4. 04Conservation of energy — the big ideacoming soon
  5. 05Power — energy per secondcoming soon
Springs and Materials0 of 3 ready
  1. 01Hooke's law — springs and elasticitycoming soon
  2. 02Elastic potential energy stored in a springcoming soon
  3. 03Young's modulus — stretching materialscoming soon

Waves

Wave Properties and Optics0 of 3 ready
  1. 01Wave properties — amplitude frequency wavelength speedcoming soon
  2. 02Reflection and refraction of wavescoming soon
  3. 03Total internal reflection and the critical anglecoming soon
Superposition and Diffraction0 of 3 ready
  1. 01Superposition — what happens when waves meetcoming soon
  2. 02Young's double slit — evidence for wave nature of lightcoming soon
  3. 03Diffraction — waves bending around obstaclescoming soon
Standing Waves and Resonance0 of 4 ready
  1. 01Standing waves — nodes and antinodescoming soon
  2. 02Harmonics on a stringcoming soon
  3. 03Standing waves in pipes — open and closed endscoming soon
  4. 04Resonance — why some frequencies are specialcoming soon
Electromagnetic Spectrum0 of 2 ready
  1. 01The electromagnetic spectrum — an overviewcoming soon
  2. 02Properties and uses of each EM wave typecoming soon

Electricity and Magnetism

Electric Fields0 of 4 ready
  1. 01Electric fields — what they are and how to draw themcoming soon
  2. 02Coulomb's law — force between chargescoming soon
  3. 03Electric field strength E equals F over q and E equals V over dcoming soon
  4. 04Electric potential and potential energycoming soon
Circuits0 of 5 ready
  1. 01Ohm's law and resistance — V equals IR revisitedcoming soon
  2. 02Series and parallel circuits — deriving the rulescoming soon
  3. 03Kirchhoff's laws — current and voltage rulescoming soon
  4. 04Internal resistance and EMFcoming soon
  5. 05The potential divider circuitcoming soon
Electromagnetic Induction0 of 4 ready
  1. 01Faraday's law — changing flux induces EMFcoming soon
  2. 02Lenz's law — direction of induced currentcoming soon
  3. 03The generator — motion to electricitycoming soon
  4. 04The transformer — stepping voltage up or downcoming soon

Thermal Physics

Ideal Gas and Kinetic Theory0 of 4 ready
  1. 01Kinetic theory — assumptions of the modelcoming soon
  2. 02The ideal gas laws — Boyle's Charles's Gay-Lussac'scoming soon
  3. 03The ideal gas equation pV equals nRTcoming soon
  4. 04Pressure from molecular motioncoming soon

Modern Physics

Atomic Structure and Quantum0 of 4 ready
  1. 01The nuclear atom — Rutherford's experimentcoming soon
  2. 02Atomic number mass number and isotopescoming soon
  3. 03Energy levels — line spectra explainedcoming soon
  4. 04The photoelectric effectcoming soon
Radioactivity and Nuclear0 of 4 ready
  1. 01Alpha beta and gamma radiation — propertiescoming soon
  2. 02Nuclear equations — balancing decaycoming soon
  3. 03Half-life — exponential decaycoming soon
  4. 04Uses and dangers of radiationcoming soon