geometrical optical illusions (page 3)
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geometrical optical illusions (page 3) |
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 To have the answer about each illusion : put the cursor on the picture and wait : a text will appear. |
| © Ophtasurf, 2000-2006 |
Are the 2 lines parallel ? |
What is the bigger line ? |
The carpet seems to vibrate |
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| Illusion de Hering | the 2 T | The moving carpet | ||
Which figure is bigger ? |
Which is the largest red bar ? |
Is the yellow figure a trapezium or a square ? |
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| Multillusion | ||||
How many bar there are ? |
which is the largest square ? |
In which direction go the arrows ? |
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| © Ophtasurf, 2000-2006 |
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