Only Those With A High IQ Can Pass This Optical Illusion Quiz
Which direction are the long lines facing?
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Correct
Incorrect
The Zöllner illusion is named after astrophysicist Johann Karl Friedrich Zöllner. It consists of parallel, diagonal lines crossing with shorter lines, creating the illusion that the lines are not parallel when they are.
Which direction are the long lines facing?
- They are facing up
- They are alternating up and down
- The lines are parallel
- They are facing down
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