Hearing. Conceptual image showing sound waves and a human ear. This represents sound waves that are heard when listening to sounds with the ears. The human ear can hear sounds in a frequency range of 20 Hertz to 20,000 hertz,and sound levels from | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gal, Hannah |
Taille de l’image : | 3833 px × 4600 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |