Cidepe

Function

Intended for experimental study, physics laboratory and carrying out physics experiments on: Waves. Standing waves on a vibrating taut string. Applying transverse periodic disturbances to the taut string. The incident wave, the reflected wave, the resonance wave and the fundamental frequencies of vibration. Transverse wave. Identifying nodes, apexes and wavelength of the first harmonic in a vibrating taut string. Identifying other natural frequencies, other harmonics and resonant frequencies. Listening to the sound along the standing wave. Varying the length of the vibrating taut string, identifying for each case, the fundamental frequency, the harmonics. Calculating the propagation speed of the incident wave, and the reflected wave, in a vibrating taut string. Comparing waves in vibrating taut strings with the same length, different linear densities and under the same tension. Obtaining the first harmonic, in the string with the greatest linear density. Obtaining the first harmonic in the taut string with the lowest linear density. Calculating and comparing the values of the propagation speed in vibrating taut strings. Observing the transverse disturbances in the vibrating string with segments of different densities. Taylor's expression applied to a vibrating taut string, with a tensiometer. Calculating the propagation speed of the disturbance along the string using the Taylor equation. Identifying nodes, apexes and wavelength of the second harmonic. Calculating the propagation speed of the disturbance. Main characteristics of the waves in a helical spring. The longitudinal pulse and the transverse pulse. The transport of energy in a mechanical wave. Determining the average propagation speed of a pulse in a spring. The phenomenon of reflection and interference in a transverse wave in a spring and the standing wave. The reflection and interference of the incident and reflected transverse waves. The apexes and nodes of the standing wave. The vibrational speed and the propagation speed. Longitudinal waves in a vibrating taut helical spring, standing waves. Figures in Chladni resonant plates, mechanics of vibrations. Vibratory phenomena in metal plates. Observing the nodes and nodes in an oscillating plate subjected to an exciting frequency. Listening to the sound emitted at different points of the oscillating plate. Resonance in a mass-leaf spring system. The harmonic oscillator and damped harmonic motion. Maximum energy flow. Observing amplitudes and comparing the length of the oscillating springs with their frequencies. Formation and propagation of two-dimensional waves on a liquid surface. Determining the speed of wave propagation on a liquid surface. Calculating the wavelength and speed of propagation, knowing the magnification factor. Reflection of a wave on a liquid surface. Refraction, diffraction and interference of two-dimensional waves on a liquid surface. Sound, sound sources, noise and physiological qualities of sound. Acoustics. The frequency of a sound wave, high-pitched and low-pitched sounds, auditory intensity, physiological quality associated with the amplitude of the sound. The wave carries only energy. Sound, a longitudinal mechanical wave. The propagation of sound through air, a solid and a liquid medium. Pitch, timbre and intensity. Sound resonance, beat and Doppler effect. Resonance and speed of sound in a closed sound tube. The harmonic series in a closed sound tube. Speed of sound as a function of wavelength and frequency. Echo. Sound reverberation and acoustic comfort. Reverberation time. Interference and standing waves in an open tube. Listening inside the tube. Determining the speed of sound in an open sound tube. Determining the speed of sound in a closed sound tube.

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Details

Details with the main experiments