Pencil in a glass of water. A pencil in a glass of water is used to demonstrate optical refraction due to the difference in the refractive index between water and air | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Degginger, E.R. |
Bildgröße: | 3259 px × 4775 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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