Pencil in a beaker with water. A pencil in a beaker filled with 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 : | 3408 px × 5106 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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