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On the EM spectrum, visible light is to the right of Infrared light and to the left of Ultra-Violet light. Because visible light has a shorter wavelength, it sits near the end of the spectrum.

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The visible light is the only portion of the EM spectrum that we can see without the help of technology. The wavelength of visible light can vary from 380 nano meters (violet) and 700 nano meters (red). The frequency also varies depending on the color.

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Many home appliances use the spectrum, such as microwaves that are used to cook food. A few other examples are television which uses radio waves, and electrical heaters which use infrared heat.

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We use visible light every single day to see the different and broad colors in our color spectrum. Because light waves are given off by anything hot enough to glow, cinema projectors can use a lamp to give of the light that shows the movie you are watching.

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BBC
Properties, uses, and hazards of electromagnetic waves
5/4/20

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The different parts of the EM Spectrum were all discovered at different times by many different people. The spectrum was divided up into different sections because of the many different kinds of radiation that come with electromagnetism.

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Visible light can be both harmful and helpful. If you look into the sun for too long, it can cause damage to your eyes and cause you to go blind if it is damaged enough. Visible light is very helpful because it can be used in the medical field with lasers to treat certain disorders or illnesses.

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NASA
Visible Light
5/4/20

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Explain That Stuff
Electromagnetic Spectrum
5/4/20