Part 1: Tube open at both ends A 2.57 m open ended pipe has two successive harmonics at 495 Hz & 550 Hz. Determine the fundamental frequency, the fundamental wavelength, the wave speed, and the air temperature. f₁ = A₁ = V= T = Part 2: String fixed at both ends A copper cable of radius 0.6 cm is fixed at both ends and has a tension of 36,910 N. For this cable, the fifteenth harmonic has a frequency of 390 Hz. Determine the fundamental frequency, the fundamental wavelength, the wave speed, and the length of the cable. f₁ = 2₁ = °C V = L= Part 3: Tube closed at one end A 0.21 m pipe that is closed at one end emits a 2695 Hz wave that has a wavelength of 0.12 m. Determine what harmonic the wave the fundamental frequency, the fundamental wavelength, the wave speed, & the air temperature. n = f₁ = 2₁ = V= T = °C
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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