~WAVES~PREQUIZ~2/24/2011~
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Created by:
dmoss Teacher on February 23, 2011
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15 terms
Spanish | English |
|---|---|
 Compressions | The parts where the coils are close together in a longitudinal wave |
| Doppler Effect | Change in the apparent frequency of a wave as observer and source move toward or away from each other |
| Convex Lens | Lens such that a beam of light passing through it is brought to a point or focus, lens is thicker in the center |
| Concave Lens | A lens that is thinner in the center than at the edges, a lens such that a parallel beam of light passing through it is caused to diverge or spread out |
| Electromagnetic Spectrum | The complete range of electromagnetic wave frequencies and wavelengths |
| Surface Waves | Combination of transverse and longitudinal waves. The wave moves from one medium to another. EXAMPLE: ocean waves |
| Energy | The ability to do work |
| Speed | Speed=Wavelength xFrequency,Frequency=Speed/Wavelength, Wavelength=Speed?Frequency |
| Frequency | Is the number of complete waves that pass a given point in a certain amount of time |
| Longitudinal (Compressional) Wave | The wave travels in the same direction as the disturbance |
| Amplitude | The maximum height of a wave from its rest position;LARGE AMPLITUDE = MORE ENERGY; SMALL AMPLITUDE = LESS ENERGY |
| Wave Length | The distance between any two crests or compressions next to each other in a wave; SHORTER WAVELENGTH = MORE ENERGY; LONGER WAVELENGTH =LESS ENERGY |
| Transverse Wave | This wave travels up and down while the energy travels left and right. ex: water wave, rope wave |
| Electromagnetic Waves | Waves that transfer electric and magnetic energy through the vacuum of space. |
| Vacuum | An empty area or space |
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