U2 1

Sound Vibrations

Images of sound

In this station, we learn how to photograph sound waves.

Begin station

Station topics

1
Spinning Wheels

It is possible to interpret the spinning wheel in many ways – we use it to visualize sound waves.
2
Sound Waves and Sound Intensitiy

With the help of an LED, the sound intensity of a recording can be turned into a light signal.
3
Phase of a Sound Wave

We show how to record the image of a propagating sound wave with an LED.

Experimentwith multiple particles/wave intesities

Experimentwith single particles/wave intesities

Theory (complex)

Theory (real)