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@ -188,4 +188,7 @@ propagation of the light (from the object towards the refracting surface) |
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\- **object focal point F and image focal point F’**. |
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\- **object focal point F and image focal point F’**. |
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#### Non stigmatism of spherical refracting surfaces |
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Ray tracing study of a **spherical refracting surface** : |
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[Click here for geogebra animation](https://www.geogebra.org/material/iframe/id/gvkqgrpe)<br> |