which two types of electromagnetic waves are closest to visible light?
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Between microwaves and visible light are infrared waves. Infrared waves are sometimes classified as "near" infrared and "far" infrared. Near infrared waves are the waves that are closer to visible light in wavelength.
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Waves with a short wavelength have the most energy. Red waves have a relatively long wavelength (in the 700 nm range), and violet waves are much shorter - roughly half that. Because violet waves have the shortest wavelength of the visible light spectrum, they carry the most energy.
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On the other end of the visible light spectrum, blue light rays with the shortest wavelengths (and highest energy) are sometimes called blue-violet or violet light. This is why the invisible electromagnetic rays just beyond the visible light spectrum are called ultraviolet (UV) radiation.
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Infrared light, microwaves, television waves, and radio waves are invisible forms of electromagnetic radiation; their wavelengths are greater than that of visible light, and thus their energies are lower than that of visible light. FIGURE 5.2 The electromagnetic spectrum.
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Visible light is only part of a rainbow. Infrared radiation exists just beyond visible red light, while ultraviolet is just beyond violet. There are also radio waves (beyond infrared), x-rays (beyond ultraviolet), and gamma radiation (beyond x-rays).
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['Radio Waves. Radio waves have the longest wavelengths of all the electromagnetic waves. ... ', 'Microwaves. Microwaves are shorter than radio waves with wavelengths measured in centimeters. ... ', 'Infrared. Between microwaves and visible light are infrared waves. ... ', 'Visible light. ... ', 'Ultraviolet. ... ', 'X-rays. ... ', 'Gamma rays. ... ', 'Activities.']
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The visible light spectrum (or the part of the electromagnetic spectrum that we can see) only makes up a small portion of the electromagnetic spectrum, with wavelengths between 380 and 760 nanometers. Visible light is made up of colors ranging from red to violet, and each color has its own range of wavelengths.
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Laser Radiation and the Electromagnetic Spectrum Laser radiation – like all light – is also a form of electromagnetic radiation. Electromagnetic radiation that has a wavelength between 380nm and 780nm is visible to the human eye and is commonly referred to as light.
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Radio waves have photons with low energies, microwave photons have a little more energy than radio waves, infrared photons have still more, then visible, ultraviolet, X-rays, and, the most energetic of all, gamma-rays.
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Both are types of electromagnetic radiation only visible light is at a frequency that the human eye can detect while ultraviolet light is at a frequency that's just beyond what the human eye can detect. Since UVL has a higher frequency, that means it's at a greater energy state.
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Visible light is the light that we can see, and thus is the only light detectable by the human eye. White light is visible light, and it contains all the colors of the rainbow, from red to violet. The range of visible wavelengths is 400 to 700 nanometers.
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Radio waves, gamma-rays, visible light, and all the other parts of the electromagnetic spectrum are electromagnetic radiation. Electromagnetic radiation can be described in terms of a stream of mass-less particles, called photons, each traveling in a wave-like pattern at the speed of light.
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The EM spectrum. Electromagnetic waves are categorized according to their frequency f or, equivalently, according to their wavelength λ = c/f. Visible light has a wavelength range from ~400 nm to ~700 nm. Violet light has a wavelength of ~400 nm, and a frequency of ~7.5*1014 Hz.
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['Radio Waves: Instant Communication. ... ', 'Microwaves: Data and Heat. ... ', 'Infrared Waves: Invisible Heat. ... ', 'Visible Light Rays. ... ', 'Ultraviolet Waves: Energetic Light. ... ', 'X-rays: Penetrating Radiation. ... ', 'Gamma Rays: Nuclear Energy.']
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Light waves, however, are ripples in electric and magnetic fields—which is why they are also called electromagnetic waves. There is no fundamental difference between visible light and invisible light such as radio waves and X rays. They are all electromagnetic waves that differ in only one way: their wavelength.
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A prism can break white light up into the visible light spectrum. Visible light is a form of electromagnetic (EM) radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. ... EM radiation is transmitted in waves or particles at different wavelengths and frequencies.
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['Radio Waves: Instant Communication. ••• Radio waves are the lowest-frequency waves in the EM spectrum. ... ', 'Microwaves: Data and Heat. ••• ... ', 'Infrared Waves: Invisible Heat. ••• ... ', 'Visible Light Rays. ••• ... ', 'Ultraviolet Waves: Energetic Light. ••• ... ', 'X-rays: Penetrating Radiation. ••• ... ', 'Gamma Rays: Nuclear Energy. •••']