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Q: What is the difference between long-wave and short wave radiation?
A: The shorter the wavelength, the more energy carried by the wave. The wavelength of emitted radiation is determined by the temperature of the object it comes from. [ The higher the temperature, the shorter the wavelength of emitted radiation. The sun, with its high surface temperature, emits a great deal of high energy, short wavelength radiation. Energy emitted by the sun is also referred to
as solar, or shortwave, radiation. Most of solar radiation is the visible light we see with our eyes, but it also includes wavelengths that we cannot see, like the ultraviolet light that causes sunburn. The Earth, however, being much cooler than the sun, emits lower energy, longer wavelength radiation. Energy emitted by the earth is also referred to as terrestrial, which means land-based, or longwave radiation. Although we cannot see longwave radiation with our eyes, we detect is as heat. ]
Expert answered|debnjerry|Points 13547|
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Asked 5/30/2011 6:55:03 AM
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