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The simple answer is heat. If you heat anything enough it will start generating light.
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In addition to the above, materials that fluoresce will give off visible light when stimulated by various energies. See fluorescent light, Light Emitting Diodes, etc
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What is an Optical Telescope for?
It is used to observe features of stars, planets, and other celestial objects by their visible light (generated or reflected).
What is the longest wavelength and least energy in the visible spectrum?
The longest wavelength in the visible light spectrum is at the red end (at about 750nm) the lowest is violet (450nm). For a given intensity source the energy that can be generated is equal.The answer you are looking for is 720-680nm
What do the visible colars of light represent?
The frequency range of visible light.
Are X-rays visible light?
No, x-rays are not visible light.
Does a prism separate light into only the visible spectrum or the entire spectrum?
Well, seeing as it seperates visible light, it follows that it only seperates that visible light into the visible spectrum. You can't make radiowaves or UV rays out of visible light.
What is an Optical Telescope for?
It is used to observe features of stars, planets, and other celestial objects by their visible light (generated or reflected).
Which type of rays are visible?
visible light is the only VISIBLE light.
What is the longest wavelength and least energy in the visible spectrum?
The longest wavelength in the visible light spectrum is at the red end (at about 750nm) the lowest is violet (450nm). For a given intensity source the energy that can be generated is equal.The answer you are looking for is 720-680nm
What kind of light is normal light that you use?
The answer is visible light. Visible light is light that can be seen with a naked eye
What is difference between visible and infrared light?
Visible light is visible (for the human eye), infrared is not. Infrared has a longer wavelength, and a higher frequency. visible light is visible to human i.e the VIBGYOR, above vibgyor are ultravoilet light which is not visible to human eye and below vibgyor are infrared light which is also not visible to human eye.
Is visible light electromagnetic?
Yes. visible light is in the electromagnetic spectrum.
What are Visible light waves?
exactly what you said its called visible light.
What do the visible colars of light represent?
The frequency range of visible light.
Are X-rays visible light?
No, x-rays are not visible light.
Does a prism separate light into only the visible spectrum or the entire spectrum?
Well, seeing as it seperates visible light, it follows that it only seperates that visible light into the visible spectrum. You can't make radiowaves or UV rays out of visible light.
What is the light called that the retina can detect?
"visible light." it has a shorter wavelength than other light types. "visible light." it has a shorter wavelength than other light types.
Does fire use visible light?
Fire doesn't use visible light. It producesvisible light.
