Electromagnetic Waves

Eleanor Martin Period 2

Electromagnetic Waves

Electromagnetic waves are caused by a vibrating electrical charge and are made up of electrical and magnetic components. Unlike mechanical waves electromagnetic waves do not have to be transported through a medium. Electromagnetic waves are produced by charged particles, and are faster than mechanical waves.
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Radio Waves

Radio waves have a wavelength > 1 x 10-1, a frequency of < 3 x 109, and an energy of < 2 x 10-24.

Used to transmit radio signals, and computer networks.

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Microwave Waves

These waves have a wavelength of 1 x 10-3 - 1 x 10-1, a frequency of 3 x 109 - 3 x 1011, and an energy of 2 x 10-24- 2 x 10-22

Can be used in satellites, mobile phones, and other radar uses.

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Infrared Waves

Infared waves have a wavelength of 7 x 10-7 - 1 x 10-3, a frequency of 3 x 1011 - 4 x 1014, and an energy of x 10-22 - 3 x 10-19.
Used in television remotes, and short-range communication devices.

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Visible Light Waves

Visible light waves have a wavelength of x 10-7 - 7 x 10-7, a frequency of 4 x 1014 - 7.5 x 1014, and an energy of 3 x 10-19 - 5 x 10-19.

Can be used in laser printers, and cd or dvd players.

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Ultra-Violet Waves

Ulta-violet wave have a wavelength of 1 x 10-8 - 4 x 10-7, a frequency of 7.5 x 1014 - 3 x 1016, and an energy of 3 x 10-19 - 5 x 10-19.

Used in black lights, security pens, and to sterilize hospital tools.

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X-Ray Waves

The wave length of an X-Ray is 1 x 10-11 - 1 x 10-8, the frequency is 3 x 1016 - 3 x 1019, and an energy of 2 x 10-17 - 2 x 10-14.

Used in hospitals to check for broken bones, and in airport security to check your luggage.

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Gamma Ray Waves

Gamma Rays have a wavelength of < 1 x 10-11, a frequency of > 3 x 1019, and an energy of 2 x 10-14.

Used to sterilize medical equipment, and gamma ray therapy can help kill cancer cells.

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Electromagnetic Spectrum