Waves, light & sound

2 free resources, hand-picked and sorted so you can find the right fit for your level and time.

Topics in Physics

Mechanics3 Electricity & magnetism1 Heat & thermodynamics3 Quantum physics2 Relativity1 Space & cosmology2 Materials & matter1 Physics basics3 Waves, light & sound2 Nuclear & particle physics2

2 resources

T Website Sal Khan · Khan Academy

The Science of Sound - Khan Academy

Longitudinal waves frequency wavelength the Doppler effect and resonance with step-by-step practice problems. Beginner 2 – 10 hrs Video series Exercises No prerequisites View W Website Sal Khan · Khan Academy

Waves & Optics - Khan Academy (AP Physics 2)

Reflection refraction lenses mirrors diffraction and interference with clear diagrams and practice problems. Beginner 2 – 10 hrs Video series Exercises No prerequisites View

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