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Unformatted text preview: ature Conver sion Calcula tor Kelvin Celsius Fahrenheit Rankine Light and Heat All objects emit electromagnetic radiation from heat. warm = dull red hot = bright red really hot = "white hot" Properties of this electromagnetic radiation from heat: 1. covers a range of wavelengths 2. emits more at one single wavelength (peak wavelength) 3. peak wavelength gets shorter for higher temperatures See figure 3.6 in the textbook for a better figure ! Here is a link to the figure. hot star . .............. emits mainly in ultraviolet Sun . .................. emits mainly in the visible (yellow-green) planets, people . ..... emit mainly in the Infrared...
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This note was uploaded on 03/09/2012 for the course AST 1002 taught by Professor Emilyhoward during the Spring '10 term at Broward College.
- Spring '10