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Properties of Waves

Properties of Waves. Pgs 10 - 13. Amplitude. The property of a wave that is related to the height of a wave is amplitude. The maximum distance the wave vibrates from rest position. The rest position is where the particles stay when there are no disturbances. . Amplitude and Energy.

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Properties of Waves

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  1. Properties of Waves Pgs 10 - 13

  2. Amplitude • The property of a wave that is related to the height of a wave is amplitude. • The maximum distance the wave vibrates from rest position. • The rest position is where the particles stay when there are no disturbances.

  3. Amplitude and Energy • Larger amplitude means more energy is used to make that wave. • A smaller amplitude means less energy is used to make that wave. • Amplitude can be a measure of energy in a wave.

  4. Wavelength • The distance between any two adjacent crests or compressions in a series of waves is the wavelength. • The wavelength can be measured from troughs and rarefactions as well.

  5. Frequency • The number of waves produced in a given amount of time is frequency. • You can count the number of crests/troughs/compressions/rarefactions that occur. • Frequency is expressed in Hertz (Hz). • 1 Hz = 1 wave /second.

  6. Frequency and Energy • The higher the frequency a wave has, the more energy the wave is carrying. • Also, the wavelength is closely related to frequency. • Therefore, the shorter the wavelength a wave has, the more energy it is carrying and vice versa.

  7. Wave Speed • The speed at which a wave travels is wave speed. • This is the distance traveled divided by the time it takes to travel. • Sound in air travels at 340m/s . • Sound in steel travels 5200m/s.

  8. Calculating Wave Speed • Wave speed is calculated by using wavelength and frequency. • Speed is symbolized with a (v) • Wavelength is symbolized with a (λ) • Frequency is symbolized with a (f) • V = λ x f • What is the wave speed of a wave that has a wavelength of .5 m and frequency of 3 Hz?

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