GECLST- Chapter 2 Light and Matter

GECLST- Chapter 2 Light and Matter - Chapter 2- Light and...

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Chapter 2- Light and Matter Light and Radiation: Radiation - way in which energy is transmitted from one place to the other w/o physical connection Electromagnetic radiation- energy that is transmitted rapidly from changing electric and magnetic fields. Visible Light- Electromagnetic radiation that the human eye is sensitive to. Invisible Electromagnetic Radiation- Radio, Infrared, ultraviolet, x-rays, gamma rays Wave Motion: Waves- way in which energy is transmitted from one place to the other, Energy carried through by a disturbance repeating patterns NOT a physical object Wave period- number of seconds needed for the wave to repeat itself Wavelength- # of meters needed for wave to repeat itself Amplitude- max distance of wave from undisturbed state Frequency- # of waves passing at a given point per time, 1/period Hertz= cycles per sec Wave Velocity= Wavelength x frequency Waves of radiation do not need a medium to fcn in. Sound waves in contrast need air to move. Speed of Light-
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This note was uploaded on 11/18/2010 for the course GE CLST 70a taught by Professor Tony during the Fall '10 term at UCLA.

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GECLST- Chapter 2 Light and Matter - Chapter 2- Light and...

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