Observation skills – Reflection and Illusions We will now see the reflection of images on curved surfaces 1. Example of reflection on convex and concave surfaces
Source : http://spectacularlighting.wordpress.com
Ok, let us now see some famous illusions
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This is called “Cafewall illusion”, here the horizontal lines are all parallel; but your eyes will look the lines as slanted ones.
This is called “Muller-Lyer illusion”, here the two horizontal lines are of equal lengths; same goes with the below image famously called as “Ponzo illusion”
Next is shown “Zollner Illusion” and “Poggendorff illusion”
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