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Optical Illusions
Can you identify which of the following are optical illusions? What about fake optical illusions?
Warning: There is no guarantee we didn't mess with a famous illusion--you have to rely on your senses!
Using a ruler is cheating!
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Last updated: June 3, 2024
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| First submitted | June 3, 2024 |
| Times taken | 312 |
| Average score | 60.0% | Report this quiz | Report |
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1. 
Red and Blue are the same length
Red and Blue are different lengths
2. 
Red and Blue are the same distance from the star
Red and Blue are different distances from the star
3. 
Red and Blue are the same length
Red and Blue are different lengths
4. 
Red and Blue are the same size
Red and Blue are different sizes
5. 
Red and Blue are the same length
Red and Blue are different lengths
6. 
Red and Blue are the same length
Red and Blue are different lengths
7. 
Red and Blue are the same distance from the star
Red and Blue are different distances from the star
8. 
Red and Blue are the same length
Red and Blue are different lengths
9. 
Red and Blue are the same distance from the star
Red and Blue are different distances from the star
10. 
Red and Blue are the same size
Red and Blue are different sizes
11. 
Sorry, this is a bit of a trick. There is a famous illusion like this, but this one massively exaggerates the colour differences!
Red and Blue label the same shade of grey
Red and Blue label different shades of grey
12. 
Red and Blue label the same shade of grey
Red and Blue label different shades of grey
13. 
Red and Blue are the same size
Red and Blue are different sizes
14. 
Red and Blue are the same size
Red and Blue are different sizes
15. 
Red and Blue are the same distance from the star
Red and Blue are different distances from the star
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4 Comments
Neodymium
+2
Level 63
Jun 3, 2024
80% is crazy
Dimby
+1
Level 83
Jun 3, 2024
Nicely done. I’m curious to see if any of my homemade illusions work.
overtired
+2
Level 88
Jun 4, 2024
Great quiz. Missed two - 6 and 15.
McKenzieFam
+2
Level 68
Jun 7, 2024
Also only missed two- but they were #7 & #9. Added this quiz to my playlist
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