![Refraction of light. Metallurgy. Pencil in a glass cup filled with water appears twisted. Lens effect and change of angle of light. Bending light rays, pen. Physics experiment. Illustration Vector Stock Vector Refraction of light. Metallurgy. Pencil in a glass cup filled with water appears twisted. Lens effect and change of angle of light. Bending light rays, pen. Physics experiment. Illustration Vector Stock Vector](https://as2.ftcdn.net/v2/jpg/03/52/32/19/1000_F_352321979_DUyr0bh8t3pvGn3DPVUJ4INJLzj7GTFK.jpg)
Refraction of light. Metallurgy. Pencil in a glass cup filled with water appears twisted. Lens effect and change of angle of light. Bending light rays, pen. Physics experiment. Illustration Vector Stock Vector
![A pen appears broken due to the different index of refraction in air (top), olive oil, (lower left) and dish soap (lower right). - Flow Visualization A pen appears broken due to the different index of refraction in air (top), olive oil, (lower left) and dish soap (lower right). - Flow Visualization](https://www.flowvis.org/wp-content/uploads/2018/06/Finn-Ostrem.jpg)
A pen appears broken due to the different index of refraction in air (top), olive oil, (lower left) and dish soap (lower right). - Flow Visualization
![A pencil in a glass of water showing the optical distoprtion caused by refraction of the image Stock Photo - Alamy A pencil in a glass of water showing the optical distoprtion caused by refraction of the image Stock Photo - Alamy](https://c8.alamy.com/comp/AKTRH7/a-pencil-in-a-glass-of-water-showing-the-optical-distoprtion-caused-AKTRH7.jpg)
A pencil in a glass of water showing the optical distoprtion caused by refraction of the image Stock Photo - Alamy
![Refraction Pen Refracting in a Glass of Water, Stock Photo, Picture And Rights Managed Image. Pic. TRI-10577830 | agefotostock Refraction Pen Refracting in a Glass of Water, Stock Photo, Picture And Rights Managed Image. Pic. TRI-10577830 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/2d0087c14fbaa3056f535b3bdef75d8f/tri-10577830.jpg)