Electromagnetic Spectrum and Waves

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Diagram of the Electromagnetic Spectrum

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The electromagnetic spectrum includes various types of waves such as Ultraviolet, Visible, Infrared, and Microwaves, each with different wavelengths and frequencies.

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Ultraviolet light

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Ultraviolet light has a wavelength range from about 10 nm to 400 nm and is not visible to the human eye.

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Visible spectrum

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The visible spectrum ranges from approximately 400 nm to 700 nm and includes colors like violet, blue, green, yellow, orange, and red.

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Infrared waves

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Infrared waves have longer wavelengths than visible light, ranging from about 700 nm to 1 mm.

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Microwaves

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Microwaves have wavelengths ranging from 1 mm to 1 meter and are used in various technologies like radar and cooking.

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Wavelength and frequency relationship

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As the wavelength increases, the frequency decreases, and vice versa.

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Increasing energy

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Energy increases with frequency; higher frequency waves have more energy.

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Key for nanometer

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Visible light colors

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The visible light spectrum includes violet, blue, green, yellow, orange, and red.

Front

Frequency unit

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Frequency is measured in Hertz (Hz).