11-2: Wave Properties.

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Presentation transcript:

11-2: Wave Properties

1. Parts of a Transverse Wave Crest – highest points of the wave Trough – lowest points of the wave

2. Parts of a Compressional Wave Compression – region where medium is crowded together and more dense Rarefaction – less dense area of the wave

3. Wavelength Distance between one point on a wave and the nearest point just like it Transverse – crest to crest or trough to trough Compressional – compression to compression or rarefaction to rarefaction

4. Frequency Measured in hertz (Hz) Transverse – count the number of crests or troughs that pass by a fixed point each second Compressional – number of compressions or rarefactions that pass a fixed point every second

5. Wave Speed Dependent on the medium through which the wave is traveling Example: light travels faster than sound Measured in meters per second (m/s)

6. Amplitude The greater the amplitude the more energy that is carried and vice versa Transverse – distance from resting point to crest or trough Compressional – denser the compressions the greater the amplitude (text pg 336)