Examlex
Write an equation for the hyperbola.
-vertices at ; foci at
Pitch
The quality of a sound determined by the frequency of the sound waves, which translates to the highness or lowness of a tone.
Oscilloscope
An electronic test instrument that graphically displays varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.
Sound Waves
Echoes that journey through air or alternative mediums, reaching a state of audibility when they approach an individual's or creature's ear.
Visible Waves
Electromagnetic waves that are visible to the human eye, essentially the spectrum of light that people can see.
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