City of New Sharon, IA 50207. Sharon, Iowa â better known as â New Sharon, Iowa was developed in 1856 and occupies approximately one square mile in Mahaska county.
3 11mbre is the distinguishing quality of a sound. It is the dimension of auditory experience reÂ­. lated to the complexity of the sound wave-to the. relative breadth of the range of frequencies that. make up the wave. A pure tone consists of only one. frequency, but in nature, pure tones are extremely. rare.
Sound waves are longitudinal waves that require a medium in which to travel. The medium consists of particles that oscillate within a certain amplitude. The amplitude of a sound wave is a reflection of how much energy is carried, which contributes to the intensity of the sound. Intensity is measured in decibels and is perceived as sound volume. Thus, the volume is proportional to the amplitude of the sound wave. The frequency of a sound wave is perceived as pitch. Humans can detect pitches within the acoustic range of 20 to 20,000 Hz, but we can't detect ultrasound or infrasound.