Question 1
This uses the munker white illusion. The square appears due to how your brain processes the contrasting colors and patterns.
Level up your Optical Illusion Hidden skills! You're at Worksheet 4 of 10 (33% through this series). This step-up challenge worksheet features 20 beginner-intermediate-level problems with a focus on common variations practice. Topics covered: optical illusion hidden for competitive exams, how to solve optical illusion hidden, optical illusion hidden tricks.