click below
click below
Normal Size Small Size show me how
enderle ch. 26 voc.
Enderle ch. 26 vocab
| Question | Answer |
|---|---|
| Term that refers to how high or low sounds frequencies can be | Pitch |
| term applied to sound pitch too low to be heard by the human ear, that is, below 20Hz | Infrasonic |
| Term applied to sound frequencies above 20,000Hz the normal upper limit of human hearing | Ultrasonic |
| in sound, a pulse of compressed air, opposite of rarefaction | Compression |
| a disturbance in air in which the pressure is lowered, opposite of compression | Rarefaction |
| a frequency at which an elastic object,once energized, will vibrate. minimum energy is required to continue vibration at that frequency | Natural Frequency |
| the vibration of an object thats meant to vibrate by another object that is nearby | Forced Vibration |
| a phenomenon that occurs when the frequency of forced vibrations on an object, matches the object's natural frequency and a dramatic increase in amplitude results | Resonance |
| a periodic vibration in the loudest of sound caused by interference when two tones of slightly different frequencies, are sounded together | Beats |