revolve; rotate; go around. Context examples: The Earth revolves around the Sun / The lamb roast rotates on a spit over the fire. Hypernyms (to revolve is one way to...): turn (move around an axis or a center) Troponyms (each of the following is one way to revolve): drive in; screw (cause to penetrate, as with a circular motion) screw (turn like a screw)
In air at normal atmosphere at 0 oC the speed of sound is 331.2 m/s. The wavelength of a 500 Hz tone can be calculated as. Î» = (331.2 m/s) / (500 Hz). = 0.662 m.
From the pinna to the tympanic membrane, sound is increased by 5 to 15 decibels (dB) in the 2,000 to 4,000 Hertz (Hz) range due to the resonance of the auditory canal. The human ear is most sensitive to sound within this range and most vulnerable to damage from noises that are too loud.