Spoon in a cup of water. Spoon in a cup of water is used to demonstrate optical refraction due to the difference in the refractive index between water and air. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5157 px × 3431 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |