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Boundless Physics
Electromagnetic Waves
Physics Textbooks Boundless Physics Electromagnetic Waves
Physics Textbooks Boundless Physics
Physics Textbooks
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Section 1

The Electromagnetic Spectrum

Book Version 3
By Boundless
Boundless Physics
Physics
by Boundless
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7 concepts
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Radio Waves

Radio waves are EM (Electromagnetic)waves that have wavelengths between 1 millimeter and 100 kilometers (or 300 GHz and 3 kHz in frequency).

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Microwaves

Microwaves are electromagnetic waves with wavelengths ranging from one meter to one millimeter (frequencies between 300 MHz and 300 GHz).

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Infrared Waves

Infrared (IR) light is EM radiation with wavelengths longer than those of visible light from 0.74 µm to 1 mm (300 GHz to 1 THz).

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Visible Light

Visible light is the portion of the electromagnetic spectrum that is visible to the human eye, ranging from roughly 390 to 750 nm.

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Ultraviolet Light

Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light in the range 10 nm to 400 nm.

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X-Rays

X-rays are electromagnetic waves with wavelengths in the range of 0.01 to 10 nanometers and energies in the range of 100 eV to 100 keV.

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Gamma Rays

Gamma rays are very high frequency electromagnetic waves usually emitted from radioactive decay with frequencies greater than 1019 Hz.

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