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Unformatted text preview: Refraction- bending of sound Diffraction- a change in direction of waves as they pass through an opening Light:-Light is always moving-Changing amplitude changes how loud a sound is, and in light it changes the brightness or intensity-Changing wavelength/period/frequency changes a sounds pitch and a lights color-Sound must travel through a medium light can travel through empty space (vaccum)-Radio waves use light wavelengths-Laser is one wavelength of light-Infrared light- doesnt go through glass; picks up heat-Properties of light depend on its wavelength-White light has all colors; filters absorb all light except the color you see (with a blue filter only blue goes through)...
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This note was uploaded on 04/07/2008 for the course PHS 100 taught by Professor All during the Fall '06 term at Anne Arundel CC.
- Fall '06