Only Those With A High IQ Can Pass This Optical Illusion Quiz

Are the red lines straight?

41%
Wundt illusion-Fibonacci
Retry Correct Incorrect Here in Wundt’s Illusion, discovered by Wilhelm Wundt in the 19th century, the red lines are straight but appear bowed towards the center because of the crooked lines behind them.

Are the red lines straight?

  • They’re bowed towards the center
  • They’re straight
  • One is longer than the other
  • One is bowed towards the center and the other one isn’t
41%

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