8.6 The Nature of Light

Electromagnetic Spectrum

Hewitt shows how electromagnetic waves are generated from a "shaking" charge. Duration: 4:33.

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Field Induction

When an electric field changes, it induces a magnetic field. As this magnetic field arises, it reciprocates by inducing an electric field. This interplay results in the formation of light. Duration: 2:33.

Electromagnetic Waves

The interplay between the electric and magnetic fields produces electromagnetic waves. Duration 1:51.