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16 Cards in this Set
- Front
- Back
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vibration |
an instance of vibrating |
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hertz |
the SI unit of frequency, equal to one cycle per second |
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sonar |
a system for the detection of objects under water and for measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected. |
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longitudinal waves |
a wave vibrating in the direction of propagation. |
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rarefaction |
diminution in the density of something, esp. air |
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compression |
a graph representing a sound, showing the distribution of energy at different frequencies |
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echolocation |
the location of objects by reflected sound, in particular that used by animals such as dolphins and bats. |
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decibel (dB) |
a unit used to measure the intensity of a sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale. |
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ultrasound |
sound or other vibrations having an ultrasonic frequency, particularly as used in medical imaging. |
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resonance |
the quality in a sound of being deep, full, and reverberating |
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pitch |
the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone |
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Wavelength |
Physics the distance between successive crests of a wave, esp. points in a sound wave or electromagnetic wave. |
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frequency |
the rate at which something occurs or is repeated over a particular period of time or in a given sample |
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sean is cool |
so true |
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look at him |
i know it sean |
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dance |
dance abilites rock |
