Electromagnetic Waves ElectroMagnetic Spectrum

Frequencies of the waves

Radio Waves

This is a type of electromagnetic radiation, best known use of radio waves is for communication, these waves have the longest wavelengths in the electromagnetic spectrum.


Mobile Phones


These waves have large infrared waves with short radio waves, Microwaves have a range of applications, including communications, radar and, perhaps best known by most people, cooking.

Infrared Waves

IR radiation is one of the three ways heat is transferred from one place to another, The sun gives off half of its total energy as IR, Infrared (IR) light is the part of the EM spectrum that people encounter most in everyday life, although much of it goes unnoticed.

Visible Light

Visible light is a form of electromagnetic (EM) radiation, Generally, visible light is defined as the wavelengths that are visible to most human eyes. Visible light falls in the range of the EM spectrum between infrared (IR) and ultraviolet (UV).

Ultraviolet Waves

Ultraviolet (UV) light has shorter wavelengths than visible light. Though these waves are invisible to the human eye, some insects, like bumblebees, can see them. Scientists have divided the ultraviolet part of the spectrum into three regions: the near ultraviolet, the far ultraviolet, and the extreme ultraviolet.

X - Rays

One of the most common and beneficial uses of X-rays is for medical imaging. X-rays are also used in treating cancer and in exploring the cosmos.

Gamma Rays

Gamma rays are extremely high-frequency electromagnetic radiation and therefore consists of high-energy photons. Gamma-rays can be used to treat cancer, and gamma-ray bursts are studied by astronomers.

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