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The Electromagnetic Spectrum - Examples

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• Visible Light: Colors
• Longer wavelengths
• Shorter wavelengths
• Spectra

The Electromagnetic Spectrum

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White light is a mixture of all the visible wavelengths.

A rainbow is sunlight taken apart into its component colors.

Most colors are actually mixtures of several different wavelengths of light.

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Heat radiation is not always distinguished from the far infrared.

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At these wavelengths, electromagnetic waves can knock electrons out of atoms and are referred to as ionizing radiation.

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Hot, thin hydrogen gas emits a characteristic set of wavelengths.

In the visible spectrum these wavelengths are: 656 nm (red), 486 nm (blue), 434 nm (violet), 410 nm (violet)

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