Two strings of the same linear density (0.00289kg/m) have different lengths. The first is 61cm long and has a mass of 2.21kg hanging from it to produce the tension in the string. The second is 72cm long and has a mass of 3.35kg hanging from it to produce the tension in the string. If the two strings are played together, what is the frequency of the combined sound you hear? What is the frequency with which the amplitude of this combined sound oscillates?
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.
Two strings of the same linear density (0.00289kg/m) have different lengths. The first is 61cm long and has a mass of 2.21kg hanging from it to produce the tension in the string. The second is 72cm long and has a mass of 3.35kg hanging from it to produce the tension in the string. If the two strings are played together, what is the frequency of the combined sound you hear? What is the frequency with which the amplitude of this combined sound oscillates?
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