A set of tuning forks. When struck against a surface,the tines of the tuning forks vibrate at a known frequency. Each specific frequency corresponds to a note in the scale,against which instruments may be tuned. Here the longest fork sounds middle C' or C4 (256 Hz),the shortest sounds C5,an octave higher (512 Hz) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 4238 px × 4238 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |