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SCIENCE CLASS 10/10/16 DR. ROBIN
What is the Electromagnetic Spectrum?
First, you must understand that wavelength is the distance between the crest of one wave and the crest of the next wave. The frequency of a wave is the number of waves that pass a given point in a certain amount of time. A key point is: All electromagnetic waves travel at the same speed in a vacuum, but they have different wavelengths and different frequencies (A vacuum is a space that contains no other air or gas). Remember that as wavelength decreases, frequency increases.
There are many different types of electromagnetic waves. The complete range of electromagnetic waves placed in order of their increasing frequency is called the electromagnetic spectrum. The electromagnetic spectrum is made up of radio waves, microwaves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays.
Electromagnetic energy is a form of energy that can be reflected or emitted from objects through electrical or magnetic waves traveling through space. Electromagnetic Energy comes in many examples: radio (radio waves), microwave (microwaves), sun (infrared rays, visible light, ultraviolet rays), X-rays (X-rays), and nuclear explosions or nuclear fission (gamma rays).
I am an example of microwaves!
I am an example of visible light, ultraviolet rays, and infrared rays!
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