Chapter 12, Waves, 12.2 Measuring Waves

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Displacement
The displacement of a vibrating particle is its direction and distance from its equilibrium position.
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Amplitude
The amplitude of a wave is the maximum displacement of a vibrating particle. For a transverse wave, this is the height of a wave crest or the depth of a wave trough from the middle.
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Wavelength
The wavelength of a wave is the least distance between two adjacent vibrating particles with the same displacement and velocity at the same time (eg. distance between adjacent crests)
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One complete cycle of a wave
One complete cycle of a wave is from maximum displacement to the next maximum displacement (eg. from one wave peak to the next.)
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Period
The period of a wave is the time for one complete wave to pass a fixed point.
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Frequency
The frequency of a wave is the number of cycles of vibration of a particle per second, or the number of complete waves passing a point per second. The unit of frequency is hertz (Hz)
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Card 2

Front

The amplitude of a wave is the maximum displacement of a vibrating particle. For a transverse wave, this is the height of a wave crest or the depth of a wave trough from the middle.

Back

Amplitude

Card 3

Front

The wavelength of a wave is the least distance between two adjacent vibrating particles with the same displacement and velocity at the same time (eg. distance between adjacent crests)

Back

Preview of the back of card 3

Card 4

Front

One complete cycle of a wave is from maximum displacement to the next maximum displacement (eg. from one wave peak to the next.)

Back

Preview of the back of card 4

Card 5

Front

The period of a wave is the time for one complete wave to pass a fixed point.

Back

Preview of the back of card 5
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