1405- chapter 11 Vocab(1).rtf - Sydni Green CHEM-1405-31420 1 electromagnetic radiation – energy in form of electric and magnetic waves including

1405- chapter 11 Vocab(1).rtf - Sydni Green CHEM-1405-31420...

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Sydni Green CHEM-1405-31420 1. electromagnetic radiation energy in form of electric and magnetic waves, including gamma rays; x-rays; ultraviolent, visible, and infrared light; microwaves; and radio waves. 2. electromagnetic spectrum the range of frequencies and corresponding wavelengths of electromagnetic waves. 3. waves involve the transport of energy without the transport of matter. 4. wavelength the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave. 5. frequency the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second. 6. equation relating velocity, speed and frequency - f (frequency) = 1 / T (period). f = c / λ = wave speed c (m/s) / wavelength λ (m). The formula for time is: T (period) = 1 / f (frequency). λ = c / f = wave speed c (m/s) / frequency f (Hz). 7. continuous spectrum the band of colors that results from electromagnetic radiation emissions over a range of wavelengths. 8. line spectrum the spectral lines that appear when light emitted from a sample is analyzed on a spectroscope.
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