1. Ann is building a two string guitar for a physics project. She has 2 m of jewelers wire. She puts this on a balance and notes that the mass is 3.2 g. To make the guitar, one string will be 30 cm long and the other 45 cm long. (a) The tension of the 45 cm string is double the tension in the 30 cm string. If the fundamental frequency of the shorter string is 540 Hz, what is the fundamental frequency of the longer string? (b) Calculate the tension in the 30 cm wire.
Properties of sound
A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).
Quality Of Sound
A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vibrate about a certain average position and create compressions and rarefactions. This is called pitch which is defined as the frequency of sound. The frequency is defined as the number of oscillations in pressure per second.
Categories of Sound Wave
People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules that travel further. Both of them describe it as vibration generated by an object, the difference is one talks about how it is received and other deals with how it travels and propagates across various mediums.
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