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The Physics Of Music Essay

902 words - 4 pages

Physical science is the study of non-living matter which I will be talking about the physics of music, and how pitch and frequency play a role together in science. Physics is known to be the most fundamental science, based on the principle and concepts. It deals with matter, motion, force, and energy, (Shipman-Wilson Higgins, 2013). In this report I will be dealing with pitch, frequency sound and waves which are also dealing with physical science and how they our related.
Sound is (a) the physical transmission of a disorder (energy) in a standard and the physiological response generally to pressure waves in air. However, the sound spectrum has much lower frequencies and is much simpler, with only three frequency regions; the infrasonic region (f<20Hz), the audible region (20Hz20 KHz), (Shipman-Wilson-Higgins, 2013). Depending on the volume of sound can be determined as a low or high frequencies.
Sound is a type of longitudinal wave that originates as the vibration of a medium (such as a person’s vocal cords or a guitar string) and travels through gases, liquids, and elastic solids as variations of pressure and density. The loudness of a sound perceived by the ear depends on the amplitude of the sound wave and is measured in decibel, while its pitch depends on it frequency measured in hertz, (Shipman-Wilson-Higgins, 2013).
We hear sound because circulating conflicts cause the eardrum to vibrate, and feelings are transferred to the acoustic nerve through the fluid and bones of the ear. For example loudness is a relative term. One sound decreases source. As the sound is propagated outward, it is “spread” over a greater area. The minimum sound intensity that can be detected by the human ear (called the threshold of hearing) is about 10-2 W/m2. At a greater intensity of about 1W/m2, sound becomes painful to the ear. The frequency of a sound wave, seeming as pitch, is the number of compressions (or rarefactions) that pass a fixed point per unit time. The frequencies audible to the human ear range from approximately 20 hertz to 20 kilohertz. Intensity is the average flow of energy per unit time through a given area of the medium and is related to loudness, (Shipman-Wilson-Higgins, 2013).
Frequency is the number of waves that pass a fixed point per unit time; also, the number of cycles or vibrations undergone in unit time by a body in periodic motion. Frequency f is the reciprocal of the time T taken to complete one cycle (the period), or 1/T. The frequency with which earth rotates is once per 24 hours, (Merriam-Webster).
Frequency is usually expressed in...

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