Propagación del Sonido

 
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Velocidad del sonido en el aire

Principle

The velocity of sound in air is determined by measurement of sound travel times across known distances.

Tasks

Determine the sound velocity in air for different distances between sound source and microphone.

What you can learn about

  • Wave propagation
  • Longitudinal ...
 
Detalles

Num.Producto: P2150305

Efecto Doppler acústico con contador digital

Principle

If an emitter of sound or a detector is set into motion relative to the medium of propagation, the frequency of the waves that are emitted or detected is shifted due to the Doppler effect.

Tasks

  1. Measure the Doppler shift for varying frequencies and velocities for a moving ...
 
Detalles

Num.Producto: P2150405

Determinación de la velocidad del sonido con tubo de Kundt y generador de funciones digital

Qué se aprende
  • Ondas longitudinales
  • Velocidad del sonido en gases
  • Frecuencia
  • Longitud de onda
  • Ondas estacionarias
  • Frecuencia natural
 
Detalles

Num.Producto: P2150605

Generation of sound waves

Principle

Sounds are generated by oscillations. The sound volume is influenced by their relative amplitude, while the sound pitch depends on their frequency. This relationship is examined based on three examples: oscillating ruler, tuning fork, string of a monochord.

Tasks

Try to ...

 
Detalles

Num.Producto: P6010000

Propagation of sound in air

Principle

This experiment demonstrates, particularly clearly, the propagation of sound waves in air and, thereby,
the working principle of the eardrum that is caused to oscillate by pressure waves.

The movement of the membrane is transferred to the neighbouring air
molecules, which ...

 
Detalles

Num.Producto: P6010100

Propagation of sound in solid bodies

Principle

The transmission (or conduction) of sound through a solid body means: One end of the solid body is caused to oscillate (e.g. by placing a tuning fork on it). This oscillation propagates through the solid body to the other end of the solid body. The transmission through the solid ...

 
Detalles

Num.Producto: P6010200

Propagation of sound in water

Principle

The aim of this experiment is to enable the students to find out that sound can also propagate in other media, e.g. liquids. For this purpose, they study the propagation of the sound of a tuning fork in a tube that can be filled with air or water. For comparison, the sound ...

 
Detalles

Num.Producto: P6010300

Sound as a sine wave

Principle

The aim of this experiment is to familiarise the students with the "measure Acoustics" software. First, the students record the sounds of two tuning forks with a microphone. Then, they analyse the frequency spectrum and the course of the amplitude of the recorded signal over ...

 
Detalles

Num.Producto: P6010400

Sound and noise

Principle

Oscillations can be transferred through a medium (e.g. air or wood) in the form of sound waves. An oscillation with exactly one oscillation frequency is called harmonic oscillation or pure oscillation. In the amplitude-time-diagram, such an oscillation corresponds to a sine ...

 
Detalles

Num.Producto: P6010500

Lower and upper hearing threshold

Principle

The human ear registers deep and high sounds as well as faint and loud sounds. Are there limits or can we hear any kind of high and deep sounds? In this experiment, the students learn that the human ear can perceive sound only within a limited frequency range. For this purpose, ...

 
Detalles

Num.Producto: P6010600

Directional hearing

Principle

The human sense of hearing is not only used to perceive sound, it even enables us to localise the direction from which we hear sound signals. On the horizontal plane of orientation (left/right, front/back) as well as on the vertical plane of orientation (top/bottom, front/back), ...

 
Detalles

Num.Producto: P6010700

Harmonic Oscillation

Principle

Sound waves are usually produced in locations where a medium, e.g. air, is compressed and then allowed to expand again. Sounds are caused by repetitive movements, called oscillations. The aim of this experiment is to familiarise the students with the concepts of "amplitude", ...

 
Detalles

Num.Producto: P6010800

Visualization of the vibrations of a tuning fork

Principle

In this experiment, the students visualise the oscillations of tuning forks by plotting the oscillations of a pen-equipped tuning fork on a sheet of paper. They see that the sine curve is the course of an oscillation over time, and they compare the frequencies and amplitudes of ...

 
Detalles

Num.Producto: P6010900

Beat frequency

Principle

If several sound signals reach our ears simultaneously, these signals superpose, thus forming a resulting signal. If the individual signals all have the same frequency, the resulting signal can also be heard with this frequency. The volume, however, varies. If one hears two sound ...

 
Detalles

Num.Producto: P6011000

Measurement of sound velocity

Principle

In this experiment, the students determine the velocity of sound in air. For this purpose, they measure the difference in the propagation time of a sound signal of two spatially offset stereo loudspeakers with the "measure Acoustics" software.

Tasks

We all know that during a ...

 
Detalles

Num.Producto: P6011100

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